Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive ?

Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive ?
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Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive?
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A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of the isotopes in the container. The

Description : A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of the isotopes in the container. The

Last Answer : A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of ... 48 g B. 36 g C. 24 g D. 12 g

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

Artificially produced radioactive isotopes are used for (A) Power generation (B) Treatment of certain diseases (C) Initiating nuclear fission and fusion (D) All (A), (B) and (C)

Description : Artificially produced radioactive isotopes are used for (A) Power generation (B) Treatment of certain diseases (C) Initiating nuclear fission and fusion (D) All (A), (B) and (C)

Last Answer : (B) Treatment of certain diseases

The process of generating radioactive isotopes during nuclear reaction is called

Description : The process of generating radioactive isotopes during nuclear reaction is called

Last Answer : artificial radioactivity.

Which of the following commonly used radioactive isotopes has the longest half life? a) Iridium 192 b) Cobalt 60 c) Thulium 170 d) Ytterbium 169

Description : Which of the following commonly used radioactive isotopes has the longest half life? a) Iridium 192 b) Cobalt 60 c) Thulium 170 d) Ytterbium 169

Last Answer : b) Cobalt 60

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?

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.

How do the decimal places on the atomic masses of elements realate to isotopes?

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.

If the heaviest isotope was more abundant and the other two isotopes were less abundant what would happen to the atomic weight of beanium?

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 ?

How do the decimal places on the atomic masses of elements realate to isotopes?

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.

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)

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)

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.

What is the number of atoms constituting a molecule known as - (1) Atomic number (2) Isotopes (3) Atomic mass (4) Atomicity

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.

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

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

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

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

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

Isotopes of an element have the same (A) Number of neutrons (B) Mass number (C) Electronic configuration (D) Atomic weight

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

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

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

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

How many of the seven isotopes of hydrogen are found in nature ?

Description : How many of the seven isotopes of hydrogen are found in nature ?

Last Answer : There are three isotopes found in nature.

How many isotopes of hydrogen ?

Description : How many isotopes of hydrogen ?

Last Answer : There are seven isotopes of hydrogen.

calculate the energy released in the nuclear fusion of isotopes of hydrogen (i) `._(1)^(2)H + ._(1)^(2)H rarr ._(2)^(3)He + ._(0)^(1)n` (ii) `._(1)^(2

Description : calculate the energy released in the nuclear fusion of isotopes of hydrogen (i) `._(1)^(2)H + ._(1)^(2)H rarr ._(2)^(3)He + ._(0)^(1)n` (ii) `._(1)^(2

Last Answer : calculate the energy released in the nuclear fusion of isotopes of hydrogen (i) `._(1)^(2)H + ._(1)^(2)H rarr . ... ",._(2)^(4)He = 4.00260,am u,):}`

Hydrogen has __________ isotopes. (A) No (B) One (C) Two (D) Three

Description : Hydrogen has __________ isotopes. (A) No (B) One (C) Two (D) Three

Last Answer : (D) Three

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

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

The isotopes of hydrogen are?

Description : The isotopes of hydrogen are?

Last Answer : Protium; Deuterium; Tritium

How many isotopes of hydrogen are known?

Description : How many isotopes of hydrogen are known? 

Last Answer : ANSWER: 3 

The three isotopes of hydrogen are protium, tritiu and: w) heprin x) helium y) duodenum z) deuterium

Description : The three isotopes of hydrogen are protium, tritiu and: w) heprin x) helium y) duodenum z) deuterium

Last Answer : ANSWER: Z -- DEUTERIUM

How does the composition of a rock containing a radioactive element change over time.?

Description : How does the composition of a rock containing a radioactive element change over time.?

Last Answer : The compositionn of a rock containing a radioactive element changes over time by: decaying and changing into another element; the amount of the radio active element goes down, but the amount of the new element goes up.

Explain higher and lower calorific value of a coal having following composition by mass Carbon 81%,Hydrogen 7%, Oxygen 8%,Nitrogen 2.5%, sulphur 1.5% and remaining is ash

Description : Explain higher and lower calorific value of a coal having following composition by mass Carbon 81%,Hydrogen 7%, Oxygen 8%,Nitrogen 2.5%, sulphur 1.5% and remaining is ash

Last Answer : Carbon C = 81% = 0.81 Hydrogen = H2 = 7% = 0.07 Oxygen = O2 = 8% = 0.08 Nitrogen = N = 2.5% = 0.025 Sulphur = S =1.5% = 0.015 Ash = 2.5% = 0.025 Dulong's formula: H.C.V. of coal = 33800 C + 144500 ... = H.C.V.- 9H2 x 2442 KJ / Kg = 36187.5- 9 x 0.07 x 2442 L.C.V. of coal = 34649.04 KJ / Kg 

Can measurements of atomic structure made frequently enough eternally prevent decay of a radioactive atom?

Description : Can measurements of atomic structure made frequently enough eternally prevent decay of a radioactive atom?

Last Answer : answer:I am having a hard time imagining setting up the experiment so that the measurement happens often enough to produce the eternal isotope. It seems to me that the device doing the measurement ... from each other is fantastic. Observing one has an instantaneous affect on the other. Simply weird.

Atomic exlosion has the ability to make radioactive material

Description : Atomic exlosion has the ability to make radioactive material

Last Answer : Atomic exlosion has the ability to make radioactive material A. Iodine -131 B. cesium-137 C. strontium -90 D. All the above

(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 atom `X` emits a `beta-`particle to produce an atom `Y` which then emits an Particle to give an atom `Z` (1) the atomic number of `X` is

Description : A radioactive atom `X` emits a `beta-`particle to produce an atom `Y` which then emits an Particle to give an atom `Z` (1) the atomic number of `X` is

Last Answer : A radioactive atom `X` emits a `beta-`particle to produce an atom `Y` which then emits an Particle to give ... C. 2 and 3 are correct D. 3 is correct

A nuclide has mass number (A) and atomic number (Z). During a radioactive process if: (A) both A and Z decrease, the process is called `alpha`-decay (

Description : A nuclide has mass number (A) and atomic number (Z). During a radioactive process if: (A) both A and Z decrease, the process is called `alpha`-decay (

Last Answer : A nuclide has mass number (A) and atomic number (Z). During a radioactive process if: (A) both A and Z decrease, ... 4 C. 1,3, and 4 D. 1,2, and 4

The radioactive nuclide `._(90)^(234) Th` shows two successive `beta-` decay followed by one `alpha-` decay. The atomic number and mass number respect

Description : The radioactive nuclide `._(90)^(234) Th` shows two successive `beta-` decay followed by one `alpha-` decay. The atomic number and mass number respect

Last Answer : The radioactive nuclide `._(90)^(234) Th` shows two successive `beta-` decay followed by one `alpha-` ... is: A. 92234 B. 94230 C. 90230 D. 92230

A radioactive element `X` has an atomic number of 100. It decays directly into an element `Y` which decays directly into an element `Z`. In both the p

Description : A radioactive element `X` has an atomic number of 100. It decays directly into an element `Y` which decays directly into an element `Z`. In both the p

Last Answer : A radioactive element `X` has an atomic number of 100. It decays directly into an element `Y` which decays ... of 100 D. Z has an atomic number of 99

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`

The atomic number of a radioactive element is not changed, when it emits __________ rays. (A) α (B) β (C) γ (D) α & β

Description : The atomic number of a radioactive element is not changed, when it emits __________ rays. (A) α (B) β (C) γ (D) α & β

Last Answer : (C) γ

The new nucleus formed after β-decay of a radioactive element has (A) Less atomic number (B) Less atomic weight (C) More atomic number (D) More atomic weight

Description : The new nucleus formed after β-decay of a radioactive element has (A) Less atomic number (B) Less atomic weight (C) More atomic number (D) More atomic weight

Last Answer : (A) Less atomic number

Which one is radioactive in nature? (A) Helium (B) Deuterium (C) Heavy hydrogen (D) Tritium

Description : Which one is radioactive in nature? (A) Helium (B) Deuterium (C) Heavy hydrogen (D) Tritium

Last Answer : (D) Tritium

Hydrogen differs from deuterium in __________ properties. (A) Radioactive (B) Physical (C) Chemical (D) All (A), (B) and (C

Description : Hydrogen differs from deuterium in __________ properties. (A) Radioactive (B) Physical (C) Chemical (D) All (A), (B) and (C

Last Answer : (B) Physical

Which one is the radioactive isotope of hydrogen? (A) Deuterium (B) Ortho-hydrogen (C) Tritium (D) None of these

Description : Which one is the radioactive isotope of hydrogen? (A) Deuterium (B) Ortho-hydrogen (C) Tritium (D) None of these

Last Answer : (C) Tritium

The radioactive isotope of hydrogen is called--------- and its nucleus contains --------proton and --- --neutron.

Description : The radioactive isotope of hydrogen is called--------- and its nucleus contains --------proton and --- --neutron.

Last Answer : Ans: Tritium, one and two

In the sun, helium is produced from hydrogen by: w) radioactive decay x) disintegration y) fission z) fusion

Description : In the sun, helium is produced from hydrogen by: w) radioactive decay x) disintegration y) fission z) fusion

Last Answer : ANSWER: Z -- FUSION

Which is created by using single propositional symbol? a) Complex sentences b) Atomic sentences c) Composition sentences d) None of the mentioned

Description : Which is created by using single propositional symbol? a) Complex sentences b) Atomic sentences c) Composition sentences d) None of the mentioned

Last Answer : b) Atomic sentences

Write About Isotopes Of An Element?

Description : Write About Isotopes Of An Element?

Last Answer : Some elements have the same number of protons in the nucleus but different number of neutrons. As a result, these elements have the same atomic number but different mass number. Such type of elements ... mass numbers due to different number of neutrons, are known as in the isotopes of an element.

There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s) is/are true concerning energy converting transport? a. The site of energy conversion and transport in the plasma membrane involves the phospholipid component b. The Na+-K++-ATPase derives energy from hydrolysis of extracellular ATP c. In some systems, energy inherent in the transmembrane ion gradient can be used to drive transport of a second species d. Examples of species transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose

Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose

Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose

Laughing gas has chemical composition of following two elements ? A. Nitrogen + Hydrogen B. Nitrogen + Carbon C. Nitrogen + Oxygen (Answer) D. Oxygen + Carbon E. None of these

Description : Laughing gas has chemical composition of following two elements ? A. Nitrogen + Hydrogen B. Nitrogen + Carbon C. Nitrogen + Oxygen (Answer) D. Oxygen + Carbon E. None of these

Last Answer : C. Nitrogen + Oxygen (Answer)

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that (A) Pure oxygen has been used for combustion (B) Nitrogen percentage in the fuel is very high (C) Excess air has been used for combustion (D) Hydrogen is not present in the fuel

Description : Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that (A) Pure oxygen has been used for combustion ... very high (C) Excess air has been used for combustion (D) Hydrogen is not present in the fuel

Last Answer : (C) Excess air has been used for combustion