Question

Select the correct answer for the following:

1. 13 c6 and 12 c6 differ from each other in the respect of:
(a) neutrons
(b) electrons
(c) protons
(d) none of these

2. Isotopes of an element have the same number of:
(a) nucleons
(b) electrons
(c) neutrons
(d) none of these

Answer 1

i. neutrons 
ii. none of these

Answer 2

1. 13 c6 and 12 c6 differ from each other in the respect of: (a) neutrons
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2. Isotopes of an element have the same number of: 
d) none of these