-2 valence electrons -Helium is a non-stable element because there are only 2 valence electrons -It is both, ionic and covalent -It's purpose is mostly for making things float -The chemical symbol is He -The placement on the periodic table is 1 18 -The state of matter is a Gas/Non metal -The atomic structure is:
- The Creators of Helium are Norman Lockyer and Pierre Janssen