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
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)
Description : Nuclides having the same atomic numbers are termed as (A) Isotopes (B) Isomers (C) Isotones (D) Isobars
Last Answer : (B) Isomers
Description : __________ have the same mass number, but different nuclear charge. (A) Isotopes (B) Isobars (C) Isotones (D) None of these
Last Answer : (B) Isobars
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.
Description : Atoms of same element having different mass numbers are called__________ (1) Isobars (2) Isotopes (3) Isotones (4) Isomers
Last Answer : Isotopes
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
Description : The elements 30Si14, 31P15 and 32516 are called (a) isotones (b) isobars (c) isotopes (d) isomers
Last Answer : Ans:(a)
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
Description : 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
Last Answer : (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.
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.
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
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
Description : Differentiate between any five of the following. (i) Artery and vein (ii) Hard water and soft water (iii) E-mail and Snail mail (iv) Apes and monkey (v) Hydrostatics and hydrodynamics (vi) Comet and ... (vii) Barrage and dam (viii) Electron and hole (ix) Isobars and isotopes (x) Autopsy and biopsy
Last Answer : Answers: (i) Artery and vein: Arteries: Muscular blood vessels that carry blood away from the heart. All arteries, with the exception of the pulmonary and umbilical arteries, carry oxygenated blood ... to determine cause of death Biopsy: Removal and study of a tissue sample for diagnostic purposes
Description : Differentiate between isotopes and isobars.
Last Answer : Isotopes Isobars These are the atoms of same element having same atomic number but different atomic mass number. These are the atoms of different elements having different atomic number but same atomic mass ... are different e.g. 11H, 12H, 13H e.g. 1840Ar, 1940K, 2040Ca
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.
Description : Isotopes of an element have the same (A) Number of neutrons (B) Mass number (C) Electronic configuration (D) Atomic weight
Last Answer : (C) Electronic configuration
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
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
Description : What is the number of atoms constituting a molecule known as - (1) Atomic number (2) Isotopes (3) Atomic mass (4) Atomicity
Last Answer : (4) Atomicity Explanation: Atomicity is the total number of atoms present in one molecule of an element.
Description : Consider the isotopes of carbon, C-12 and C-14. Would you place them in different slots because their atomic masses are different or would you place them in the same position because their chemical properties are the same?
Last Answer : Isotopes are not placed according to their atomic mass but they are all placed in the same position as they have the same atomic number.
Description : Which one is different for the neutral atoms of the isotopes of an element? (A) Atomic weights (B) Atomic numbers (C) Number of protons (D) Number of electrons
Last Answer : (A) Atomic weights
Description : If the heaviest isotope was more abundant and the other two isotopes were less abundant what would happen to the atomic weight of beanium?
Last Answer : What is the answer ?
Description : Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive ?
Last Answer : Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive?
Description : How do the decimal places on the atomic masses of elements realate to isotopes?
Last Answer : The Atomic Mass of an element is the weighted average of massesof the isotopes of the element, weighted in proportion to theirabundance.
Description : Isotopes of an element (a) Are physically identical to each other (b) Are chemically identical to each other (c) Are not identical to each other (d) Have the same mass numbers
Last Answer : Ans:(b)
Description : Pick out the wrong statement. (A) Isotopes have the same number of protons & electrons, but different number of neutrons (B) Hydrogen has two isotopes (C) In ordinary hydrogen, 1H1 and 1H2 are present in the ratio 6400:1 (D) None of these
Last Answer : (B) Hydrogen has two isotopes
Description : What are isotones?
Last Answer : Atoms having equal number of neutrons
Description : The term Isotones was formed by?
Last Answer : K.Guggenheimer
Description : In the decay process: `A overset(- alpha)rarr B overset(-beta)rarr C overset(-beta)rarr D` a)`A` and `B` are isodiaphers b)`A` and `C` are isotones c)
Last Answer : In the decay process: `A overset(- alpha)rarr B overset(-beta)rarr C overset(-beta)rarr D` a)`A` and ... B,C and D are isobars D. A and C are isotones
Description : The neutrons in an atom: w) are part of the nuclear charge x) rotate about the nucleus in elliptical orbits y) vary in number with different isotopes z) are always equal in number to the total number of protons
Last Answer : ANSWER: Y -- VARY IN NUMBER WITH DIFFERENT ISOTOPES
Description : The isotopes of chlorine with mass number 35 and 37 exist in which ratio? -General Knowledge
Last Answer : The answer is '3 : 1'
Last Answer : answer:
Description : The isotopes of chlorine with mass number 35 and 37 exist in which ratio?
Last Answer : 3:01
Description : Isotopes of an element have different (A) Mass number (B) Electronic configuration (C) Nuclear charge (D) Chemical properties
Last Answer : (A) Mass number
Description : Atoms with varying mass numbers are called ________. a. Electrons b. Ions c. Isotopes d. Neutrons
Last Answer : c. Isotopes
Description : The mass spectrograph directly yields a value for which one of the following? w) mass of a photon x) mass of a neutron y) masses of isotopes of elements z) mass to charge ratio of ions
Last Answer : ANSWER: Z -- MASS TO CHARGE RATIO OF IONS
Description : Isobars are the lines connecting the places having same:------? A. Pressure (Answer) B. Rainfall C. Height D. Temperature
Last Answer : A. Pressure (Answer)
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.
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
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
Description : Imaginary lines joining places with same temperature are called (1) Isobars (2) Isohyets (3) Isohalines (4) Isotherms
Last Answer : Isotherms
Description : The mass number of a nucleus is (a) Always less than its atomic number (b) The sum of the number of protons and neutrons present in the nucleus (c) Always more than the atomic weight (d) A fraction
Description : The mass number of a nucleus is - (1) always less than its atomic number (2) the sum of the number of protons and neutrons present in the nucleus (3) always more than the atomic weight (4) a fraction
Last Answer : (2) the sum of the number of protons and neutrons present in the nucleus
Description : The mass number of a nucleus is – (1) always less than its atomic number (2) always more than its atomic number (3) always equal to its atomic number (4) sometimes more - and somtimes equal to its atomic number
Last Answer : (4) sometimes more - and somtimes equal to its atomic number Explanation: Mass number = protons or mass of electron (atomic number) + neutrons. So it is mostly greater than the atomic number. At best, it can be equal to the atomic number.
Description : The mass number of a nucleus is (1) always less than its atomic number (2) always more than its atomic number (3) always equal to its atomic number (4) sometimes more and somtimes equal to its atomic number
Last Answer : sometimes more and somtimes equal to its atomic number
Description : Isotopes of the same element differ in the number of (a) Protons (b) Neutrons (c) Electrons (d) Positrons