Ncert Exercises & Solutions

The simple Bohr model is not applicable to \(\text{He}^4\) atom because:

(a)	\(\text{He}^4\) is an inert gas.
(b)	\(\text{He}^4\) has neutrons in the nucleus.
(c)	\(\text{He}^4\) has one more electron.
(d)	electrons are not subject to central forces.

Choose the correct option:

1.	(a), (c)	2.	(a), (c), (d)
3.	(b), (d)	4.	(c), (d)