Vivek was given few models of atoms representing their structures He was asked to choose one pair of isotopes and one pair of isobars Which of the following options contains the correct pairs?

Isotopes (i) and (ii)

Isobars (iii) and (iv)

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Isotopes (i) and (iv)

Isobars (ii) and (iii)

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Isotopes (i) and (iii)

Isobars (ii) and (iv)

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Isotopes (i) and (iii)

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Solution

The correct option is C Isotopes (i) and (iii) Isobars (ii) and (iv)
(i) and (iii)Isotopes;(iii) and (iv) Isobars
Isotopes have same atomic number i.e.protons but different mass number i.e.neutrons
Isobars have same mass number (neutrons) but different atomic number(protons).

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Similar questions

Which of the following are isobars?

$_{18}^{40} A r$ $_{6}^{14} C$ $_{20}^{40} C a$ $_{7}^{14} N$

Which of the following are isobars?

$_{18}^{40} A r$ , $_{6}^{14} C$ , $_{20}^{40} C a$ , $_{7}^{14} N$

Explain with examples (i) Atomic number, (ii) Mass number, (iii) Isotopes and (iv) Isobars. Give any two uses of isotopes.

Which of the given relations about the above elements are correct.
I) $^{12} C$
II) $^{14} C$
III) $^{14} N$
IV) $^{16} O$

The four atomic species can be represented as follows. Out of these, the two species which can be termed isobars are :

(i) $_{60}^{201} X$ (ii) $_{61}^{200} X$

(iii) $_{58}^{200}$ (iv) $_{60}^{203} X$

(a) (i) and (ii)

(b) (ii) and (iii)

(d) (i) and (iv)

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