What are isobars? (1) Elements with same atomic number but different mass number (2) Elements with different atomic number but same mass number (3) Elements with different atomic number and different mass number (4) Elements with same atomic number and same mass number

What are isobars? (1) Elements with same atomic number but different mass number (2) Elements with different atomic number but same mass number (3) Elements with different atomic number and different mass number (4) Elements with same atomic number and same mass number
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(2) Elements with different atomic number but same mass number Explanation: Isobars are atoms of different chemical elements that have the same number of n cleons. Correspondingly, isobars differ in atomic number (number of protons) but have the same mass number.
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When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as (A) Isomers (B) Isotopes (C) Isobars (D) Isotones

Description : When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as (A) Isomers (B) Isotopes (C) Isobars (D) Isotones

Last Answer : (D) Isotones

There are two elements calcium (atomic number 20) and argon (atomic number 18) The mass number of both the elements is 40. They are therefore known as (a) isotones (b) isochores (c) isobars (d) isotopes

Description : There are two elements calcium (atomic number 20) and argon (atomic number 18) The mass number of both the elements is 40. They are therefore known as (a) isotones (b) isochores (c) isobars (d) isotopes

Last Answer : Ans:(c)

The correct statement is (a) Two Isotones always have the same atomic number (b) Two isotopes always have the same mass number (c) Two isobars always have the same atomic number (d) Two isobars always have the same mass number

Description : The correct statement is (a) Two Isotones always have the same atomic number (b) Two isotopes always have the same mass number (c) Two isobars always have the same atomic number (d) Two isobars always have the same mass number

Last Answer : Ans:(d)

Atoms of same element having different mass numbers are Called _______. (1) Isobars (2) Isotopes (3) (3)Isotones (4) (4) Isomers

Description : Atoms of same element having different mass numbers are Called _______. (1) Isobars (2) Isotopes (3) (3)Isotones (4) (4) Isomers

Last Answer : (2) Isotopes Explanation: Atoms that have the same atomic number but different atomic masses are called isotopes. The difference in mass arises due to the atoms containing a different number of neutrons ... -14 are three isotopes of the element carbon with mass numbers 12, 13 and 14 respectively.

Atoms of same element having different mass numbers are called__________ (1) Isobars (2) Isotopes (3) Isotones (4) Isomers

Description : Atoms of same element having different mass numbers are called__________ (1) Isobars (2) Isotopes (3) Isotones (4) Isomers

Last Answer : Isotopes

The atomic mass of an element is fractional, because (A) Of uncertainty principle (B) It may have isobars (C) It contains neutrons (D) It may have isotopes

Description : The atomic mass of an element is fractional, because (A) Of uncertainty principle (B) It may have isobars (C) It contains neutrons (D) It may have isotopes

Last Answer : (D) It may have isotopes

__________ have the same mass number, but different nuclear charge. (A) Isotopes(B) Isobars(C) Isotones(D) None of these

Description : __________ have the same mass number, but different nuclear charge. (A) Isotopes (B) Isobars (C) Isotones (D) None of these

Last Answer : (B) Isobars

Pick out the wrong statement. (A) Atoms with same number of nucleons but different number of protons are called isobars (B) Atoms with same number of protons but different number of nucleons are called isoters (C) Out of α, β, and γ-rays, the one having maximum penetration power are γ-rays (D) The product formed by emission of α-particle has mass number less by 4 units than the parent nuclide

Description : Pick out the wrong statement. (A) Atoms with same number of nucleons but different number of protons are called isobars (B) Atoms with same number of protons but different number of nucleons are ... product formed by emission of α-particle has mass number less by 4 units than the parent nuclide

Last Answer : (B) Atoms with same number of protons but different number of nucleons are called isoters

Nuclides having the same atomic numbers are termed as (A) Isotopes (B) Isomers (C) Isotones (D) Isobars

Description : Nuclides having the same atomic numbers are termed as (A) Isotopes (B) Isomers (C) Isotones (D) Isobars

Last Answer : (B) Isomers

Elements having same mass number and different atomic number are known as?

Description : Elements having same mass number and different atomic number are known as?

Last Answer : Isobars Eg: calcium — 40; Argon - 40

Atoms with same number of neutrons, but different number of nucleons are called (A) Isotones (B) Isobars (C) Isotopes (D) Isostere

Description : Atoms with same number of neutrons, but different number of nucleons are called (A) Isotones (B) Isobars (C) Isotopes (D) Isostere

Last Answer : (A) Isotones

The elements 30Si14, 31P15 and 32516 are called (a) isotones (b) isobars (c) isotopes (d) isomers

Description : The elements 30Si14, 31P15 and 32516 are called (a) isotones (b) isobars (c) isotopes (d) isomers

Last Answer : Ans:(a)

All isotopes of the same element have (1) different atomic numbers and different atomic mass (2) different atomic numbers and the same atomic mass (3) the same atomic number but different atomic masses (4) the same atomic number and the atomic mass

Description : All isotopes of the same element have (1) different atomic numbers and different atomic mass (2) different atomic numbers and the same atomic mass (3) the same atomic number but different atomic masses (4) the same atomic number and the atomic mass

Last Answer : (3) the same atomic number but different atomic masses Explanation: Isotopes are forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei. So they have the same atomic number, but differ in relative atomic mass.

All isotopes of the same element have ______ (1) different atomic numbers and different atomic mass (2) different atomic numbers and the same atomic mass (3) the same atomic number but different atomic masses (4) the same atomic number and the atomic mass

Description : All isotopes of the same element have ______ (1) different atomic numbers and different atomic mass (2) different atomic numbers and the same atomic mass (3) the same atomic number but different atomic masses (4) the same atomic number and the atomic mass

Last Answer :  the same atomic number but different atomic masses

Atoms of different elements have - (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configuration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Description : Atoms of different elements have - (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configuration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Last Answer : (3) different atomic number and different number of valence electrons Explanation: Each element's atoms have a different number of protons, neutrons, and electrons, which is why they have different ... Their reactivity also varies because of the number and activeness of the electrons in the atom.

Atoms of different elements have (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configu-ration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Description : Atoms of different elements have (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configu-ration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Last Answer : different atomic number and different number of valence electrons

Which one of the following best defines the word “allotropes”? A Different structural forms of an element B A pair of substances that differ by H+ C Elements that possess properties intermediate between those of metals and nonmetals D Atoms of a given atomic number that have a specific number of neutrons E The different phases (solid, liquid or gas) of a substance

Description : Which one of the following best defines the word allotropes ? A Different structural forms of an element B A pair of substances that differ by H+ C Elements that possess properties intermediate between ... a specific number of neutrons E The different phases (solid, liquid or gas) of a substance

Last Answer : A Different structural forms of an element 

(A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_((A))` and `U_((Z))` are nuclear isomer

Description : (A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_((A))` and `U_((Z))` are nuclear isomer

Last Answer : (A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_ ... both (A) and (R ) are incorrect.

A radioactive element A on disintegration gives two elements B and C. If B is helium and C is the element of atomic number 90 and atomic mass 234, the

Description : A radioactive element A on disintegration gives two elements B and C. If B is helium and C is the element of atomic number 90 and atomic mass 234, the

Last Answer : A radioactive element A on disintegration gives two elements B and C. If B is helium and C is the element of atomic ... )^(234)Th` D. `._(91)^(234)Pa`

Atomic mass is not useful to construct the periodic table. Give reasons with an example. OR Why is atomic number is more useful than atomic mass to classify the elements?

Description : Atomic mass is not useful to construct the periodic table. Give reasons with an example. OR Why is atomic number is more useful than atomic mass to classify the elements?

Last Answer : Isotopes of an element have same atomic number but different atomic mass. They have to be placed in four places. This creates confusion because other elements occupied these positions.

What are isobars ? -Chemistry

Description : What are isobars ? -Chemistry

Last Answer : Atoms of different elements with different Atomic numbers but having the same mass numbers are called isobars.

Isobars are lines joining places having equal – (1) Rainfall (2) Pressure (3) Population (4) Height above sea-level

Description : Isobars are lines joining places having equal – (1) Rainfall (2) Pressure (3) Population (4) Height above sea-level

Last Answer : (2) Pressure Explanation: An isobar is a line of equal or constant pressure on a graph, plot, or map; an isopleth or contour line of pressure. More accurately, isobars are lines drawn on a map ... to the magnitude and direction of the wind field, and can be used to predict future weather patterns.

Isobars are lines joining places having equal (1) Rainfall (2) Pressure (3) Population (4) Height above sea-level

Description : Isobars are lines joining places having equal (1) Rainfall (2) Pressure (3) Population (4) Height above sea-level

Last Answer : Pressure

Imaginary lines joining places with same temperature are called – (1) Isobars (2) Isohyets (3) Isohalines (4) Isotherms

Description : Imaginary lines joining places with same temperature are called – (1) Isobars (2) Isohyets (3) Isohalines (4) Isotherms

Last Answer : (4) Isotherms Explanation: An isotherm is a line on a map or chart of the earth's surface connecting points having the same temperature at a given time or the same mean temperature for a ... are relatively high and low, and also where temperature changes are gradual or dramatic over a distance.

Isobars are the lines connecting the places having same:------? A. Pressure (Answer) B. Rainfall C. Height D. Temperature

Description : Isobars are the lines connecting the places having same:------? A. Pressure (Answer) B. Rainfall C. Height D. Temperature

Last Answer : A. Pressure (Answer)

In a weather map, lines joining all those regions with same atmospheric pressure are called A. Bars B. Millibars C. Isobars D. Atmospheric bars

Description : In a weather map, lines joining all those regions with same atmospheric pressure are called A. Bars B. Millibars C. Isobars D. Atmospheric bars

Last Answer : Isobars

On a topographic map, lines that connect points of the same elevation are termed: w) benchmarks x) bathymetric lines y) contour lines z) isobars

Description : On a topographic map, lines that connect points of the same elevation are termed: w) benchmarks x) bathymetric lines y) contour lines z) isobars

Last Answer : ANSWER: Y -- CONTOUR LINES

Imaginary lines joining places with same temperature are called (1) Isobars (2) Isohyets (3) Isohalines (4) Isotherms

Description : Imaginary lines joining places with same temperature are called (1) Isobars (2) Isohyets (3) Isohalines (4) Isotherms

Last Answer : Isotherms

The Russian chemist who said that the properties of elements are periodic function of their atomic mass is

Description : The Russian chemist who said that the properties of elements are periodic function of their atomic mass is

Last Answer : Dmitri Mendeleev.

The person in 1815 who suggested in that elements can be classified on the basis of atomic mass was

Description : The person in 1815 who suggested in that elements can be classified on the basis of atomic mass was

Last Answer : William Prout.

The atomic masses of three elements X, Y and Z having similar chemical properties are 7, 23 and 39 respectively. a) Calculate the average atomic mass of elements X and Z. b) How is the average atomic mass of elements X and Z compare with the atomic mass of element Y? c) Which law of classification of elements is illustrated by this example? d) Give another example of a set of elements which are classified according to this law.

Description : The atomic masses of three elements X, Y and Z having similar chemical properties are 7, 23 and 39 respectively. a) Calculate the average atomic mass of elements X and Z. b) How is the ... this example? d) Give another example of a set of elements which are classified according to this law.

Last Answer : a) The average atomic mass of X and Z = 7 39 2 46 2 23 b) The average atomic mass of X and Z is equal to the atomic mass of Y c) The law illustrated in this example is Dobereiner’s law of triads. d) Another example of Dobereiner’s law is Calcium, Strontium and Barium.

Atoms of the same element having same atomic number and different mass number are known as?

Description : Atoms of the same element having same atomic number and different mass number are known as?

Last Answer : Isotopes

Atomic number of which of the following elements is greater than that of Fluorine? (1) Sodium (2) Beryllium (3) Nitrogen (4) Boron

Description : Atomic number of which of the following elements is greater than that of Fluorine? (1) Sodium (2) Beryllium (3) Nitrogen (4) Boron

Last Answer : (1) Sodium Explanation: Sodium has higher atomic number (11) than Fluorine (9) The atomic number of Beryllium and Nitrogen are 4 and 7 respectively.

Which of the following elements has the atomic number greater than that of Phosphorus? (1) Aluminium (2) Silicon (3) Chlorine (4) Magnesium

Description : Which of the following elements has the atomic number greater than that of Phosphorus? (1) Aluminium (2) Silicon (3) Chlorine (4) Magnesium

Last Answer : (3) Chlorine Explanation: Chlorine is a chemical element with symbol Cl and atomic number 17. Phosphorus is a chemical element with symbol P and atomic number 15.

Name this chemical element. The principal use of this element has been in solid-state electronic devices, notably transistors. Its position in the periodic table is in group "4A". The element's atomic number is 32 and its chemical symbol is Ge.

Description : Name this chemical element. The principal use of this element has been in solid-state electronic devices, notably transistors. Its position in the periodic table is in group "4A". The element's atomic number is 32 and its chemical symbol is Ge.

Last Answer : ANSWER: GERMANIUM

I will be describing a chemical element. Try to identify it with the fewest number of clues. This chemical element is a silver-white metal, with bluish tinge, capable of taking a high polish. T element occurs abundantly in all ordinary rocks, except limestone and sandstone; is third in abundance of the elements in the earth's crust and used to make drink cans. The atomic number of this element is 13. Name t element.

Description : I will be describing a chemical element. Try to identify it with the fewest number of clues. This chemical element is a silver-white metal, with bluish tinge, capable of taking a high polish. T element ... crust and used to make drink cans. The atomic number of this element is 13. Name t element.

Last Answer : ANSWER: ALUMINUM

Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same (A) Period increases (B) Period decreases (C) Group increases (D) Both 'b' & 'c'

Description : Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same (A) Period increases (B) Period decreases (C) Group increases (D) Both 'b' & 'c'

Last Answer : Option D

Defi ne isotopes and isobars and also give examples. -Science

Description : Defi ne isotopes and isobars and also give examples. -Science

Last Answer : So, we can say that isobars are those elements which have a different atomic number but the same mass number. ... The example of two Isotopes and Isobars is iron and nickel. Both have the same mass number which is 58 whereas the atomic number of iron is 26, and the atomic number of nickel is 28.

`how do isobars help meteorologist predict the weather

Description : `how do isobars help meteorologist predict the weather

Last Answer : an Isobaric line is a line of constant pressure. In meteorology, this would be to mark regions of the same atmospheric pressure. Storm fronts occur along regions where high low pressure meet. ... pressure differential, and therefore would suggest a high-low pressure region where a front could exist.

In the decay process: `A overset(-alpha)(to) B overset(-alpHa)(to) C overset(-beta)(to)C` 1. A and B are isobars 2. A and D are isotopes 3. C and D ar

Description : In the decay process: `A overset(-alpha)(to) B overset(-alpHa)(to) C overset(-beta)(to)C` 1. A and B are isobars 2. A and D are isotopes 3. C and D ar

Last Answer : In the decay process: `A overset(-alpha)(to) B overset(-alpHa)(to) C overset(-beta)(to)C` 1. A and B are ... 2 B. 2 and 3 C. 3 and 4 D. 1 and 4

What do close isobars on a weather map indicate?

Description : What do close isobars on a weather map indicate?

Last Answer : Closely spaced isobars indicate large pressure changes over a small area and suggest strengthening winds.Widely spaced isobars portray a "flat" or weak pressure gradient typical of light-wind situations.

What do Isobars?

Description : What do Isobars?

Last Answer : Isobars on a map represent areas on the map of similaratmospheric pressure.

As wind velocity decreases the distance between isobars on a weather map will?

Description : As wind velocity decreases the distance between isobars on a weather map will?

Last Answer : increase

If a U-238 nucleus splits into two identical parts, the two nuclei so produced will be _____. A. Radioactive B. Stable C. Isotopes D. Isobars

Description : If a U-238 nucleus splits into two identical parts, the two nuclei so produced will be _____. A. Radioactive B. Stable C. Isotopes D. Isobars

Last Answer : ANSWER: A

Which one of the following represent the lines joining the places of equal rainfall? (1) Isohypses (2) Isohalines (3) Isobars (4) Isohyets

Description : Which one of the following represent the lines joining the places of equal rainfall? (1) Isohypses (2) Isohalines (3) Isobars (4) Isohyets

Last Answer : (4) Isohyets Explanation: An isohyet or isohyetal line (from huetos, meaning 'rain') is a line joining points of equal precipitation on a map. A map with isohyets is called an isohyetal map.

Isolines joining places of equal rainfall are called – (1) Isohyets (2) Isotherms (3) Isobars (4) Contours

Description : Isolines joining places of equal rainfall are called – (1) Isohyets (2) Isotherms (3) Isobars (4) Contours

Last Answer : (1) Isohyets Explanation: Isohyet is a line drawn on a map connecting points that receive equal amounts of rainfall in a given period. A map with isohyets is called an isohyetal map.

Define Isobars?

Description : Define Isobars?

Last Answer : Atoms of different elements which contain the same number of neutrons.

What are isobars?

Description : What are isobars?

Last Answer : Atoms having same mass number but different atomic number

Daily weather map showing isobars is an example of which map?

Description : Daily weather map showing isobars is an example of which map?

Last Answer : Chropleth map

The term Isobars was suggested by?

Description : The term Isobars was suggested by?

Last Answer : Alfred Walter Stewart