Question

what are isotopes give its excuse and also write elements configuration of any one pair of isotopes​

Answer 1

The pair of elements who have same number of protons are called Isotopes.

Ex - Dutirium and tritium

Answer 2

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Isobars :-

Atoms of different elements with

atomic number for the same mass

number are called isobars.

Isobars have different chemical

properties because they have different

atomic numbers & their electronic

configuration are different.

Two isotopes of carbon are:

12C6 & 14C6

Electronic configuration are:

12C6= 2,4

14C6= 2,4

Two isobars of calcium and Argon are:

40Ca20 & 40A18

Electronic configuration are:

40Ca20 = 2,8,8,2

Electronic configuration are:

40Ca20= 2,8,8,2

40Ar28= 2,8,8

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