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Q.

(A) Atom,whose nucleus is containing 20 protons and 15 neutrons

(B) Atom whose nucleus is containing 18 protons and 21 neutrons

(C) Atom whose nucleus is containing 18 protons and 17 neutrons

(D) Atom whose nucleus is containing 19 protons and 20 neutrons 

Identify correct statement among the following?

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a

B and C are isobars

b

B and D are not isobars

c

A and C are isobars

d

A and D are isotones

answer is C.

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Detailed Solution

Isobars are nuclides having same mass number but different atomic number

A and C are isobars 

B and D are isobars

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