Question

hydrogen is while helium is molecule ​

Answer 1

Answer:

sorry but

I don't understand your question

Answer 2

Answer:

hydrogen molecule is a completely different chemical entity: it contains two hydrogen atoms, but its properties and behavior are quite different. Helium atoms have 2 protons and 2 neutrons in their nuclei, and 2 electrons in their electron clouds. ... Helium is a gas at temperatures above 4 K.