Question

(a) What are isotopes? Explain by giving an example.
(b) Give one similarity and one difference between a pair of isotopes.
(c) Give the number of protons, neutrons, and electrons per atom in the two isotopes of chlorine Cl3517 and Cl3717.

Answer 1

Explanation:

1. Isotops are atoms of the same element having same atomic number but different mass number.eg-¹H1,²H1,³H1i.e protium deuterium and tritium respectively.

2. 2H1 has 1 proton and 1neutron while 3H1 has 2neurons and 1 proton.

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