HELIUM'S ATOMIC NUMBER Crossword Clue
HELIUM'S ATOMIC NUMBER Crossword Clue
We know 1 solutions for: HELIUM'S ATOMIC NUMBER
Crossword Puzzle Infos
Helium's atomic number is TWO (2). This is because it has TWO protons in its nucleus, which is the defining characteristic of an element's atomic number. Helium is a chemical element that is part of the noble gas group on the periodic table. It is the second lightest element and is odorless, colorless, and tasteless.