Question

Beryllium and magnesium do not give colour to flame where is other alkaline earth metal do so why

Answer 1

hope this answer helps you ....... When these electrons return to their ground states, they emit extra energy in form of radiations which fall in the visible region thereby imparting a characteristic colour to the flame. Ba and Mg do not impart any colour to the fame i.e. they do not give flame test. This is due to their very small size.