12 H and 31 H areA- IsotonesB- IsotopesC- IsobarsD- Isochores

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Standard IX

Chemistry

Atomic Number

12 H and 31 H...

Question

²₁H and ³₁H are _______ .

Isotones

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Isotopes

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Isobars

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Isochores

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Solution

The correct option is B
Isotopes

Atoms of the same element having the same atomic numbers but different mass numbers are termed as isotopes.

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Similar questions

X Y
Protons = 6 6
Neutrons = 6 8

Species X and Y are:

Calculate the Q-values of the following fusion reactions:

(a) $_{1}^{2} H +_{1}^{2} H \to_{1}^{3} H +_{1}^{1} H$

(b) $_{1}^{2} H +_{1}^{2} H \to_{3}^{2} H e + n$

Atomic masses are $m (_{1}^{2} H e) = 2.014102 u, m (_{1}^{3} H e) = 3.016049 u, m (_{2}^{3} H e) = 3.016029 u, m (_{2}^{4} H e) = 4.002603 u$ .

Q. The binding energy per nucleon of

_{1}^{2} H

and

_{2}^{4} H e

are

1.1 M e V

and

7.0 M e V

respectively. Energy released in the process

_{1}^{2} H +_{1}^{2} H \to_{2}^{4} H e

Q. Calculate the energy released in joules and

M e V

in the following nuclear reaction.

_{1}^{2} H +_{1}^{2} H \to_{2}^{3} H e +_{0}^{1} n

Assume that the masses of

_{1}^{2} H,_{2}^{3} H e

and neutron

(n)

respectively are

2.0141, 3.0160

and

1.0087

in amu.

In a nuclear reactor, energy is produced by the following process:

$_{1} H^{2} +_{1} H^{2} \to_{1} H^{3} + P_{1} H^{3} +_{1} H^{2} \to_{2} H e^{4} + n$

The reactor produces a power of $10^{10}$ MW with 50% efficiency. The number of deutrons required to run the reactor for one year will be apporoximately: $m (1_{H}^{2})$ = 2.014 u. m(p) = 1.007 u. m(n) = 1.008u. $m (2_{H} e^{4})$ = 4.00 1u

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21H and 31H are _______ .

The correct option is B IsotopesAtoms of the same element having the same atomic numbers but different mass numbers are termed as isotopes.

²₁H and ³₁H are _______ .

The correct option is B
Isotopes

Atoms of the same element having the same atomic numbers but different mass numbers are termed as isotopes.