<h1>He<h1>
The atomic symbol for Helium
The Atomic Number for helium is 2.
Atomic Weight: 4.003
Period: -1
Group: Group Zero
See also Helium and Periodic Table.
— Scotus - 17 Jun 2001
<h1>He<h1>
The Atomic Number for helium is 2.
Atomic Weight: 4.003
Period: -1
Group: Group Zero
See also Helium and Periodic Table.
— Scotus - 17 Jun 2001