Question

3.
a.
Find the expressions for the energy of an electron in nth orbit of H-atom, He,
Li2+ and Be3+ ions.
b. Compare the frequencies and wavelengths of the radiation emitted by H-atom
with those emitted by He+, Li2+ and Be3+ ions.​

Answer 1

Answer:

The stomach is the main food storage tank of the body. If it were not for the stomach's storage capacity, we would have to eat constantly instead of just a few times each day. The stomach also secretes a mixture of acid, mucus, and digestive enzymes that helps to digest and sanitize our food while it is being stored