help me wit that
2006-12-11 12:09:27 · 8 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
2
He
Helium
4.002602 amu
2006-12-11 12:12:57 · answer #1 · answered by Peeps 3 · 0⤊ 0⤋
Atomic #=2
Symbol=He
Name= Helium also the 1st Noble Gas
Mass=4.002602 amu
2006-12-11 12:11:28 · answer #2 · answered by S 4 · 0⤊ 0⤋
atomic number- 2
symbol- He
name- Helium
Mass- 4
2006-12-11 12:11:43 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Number: 2
Symbol: He
Name: Helium
Mass: about 4, let me get back to you.
Edit: mass: 4.002 g/mol
2006-12-11 12:11:25 · answer #4 · answered by Amy F 5 · 0⤊ 0⤋
This web site will show you what you need. Click on it
.http://en.wikipedia.org/wiki/Helium
2006-12-11 12:24:27 · answer #5 · answered by junkmail 6 · 0⤊ 0⤋
symbol: He
atomic number: 2
atomic mass:4.003
[im studying this subject right now lmao]
2006-12-11 12:13:39 · answer #6 · answered by Anonymous · 0⤊ 0⤋
kindly look up the periodic table of elements
2006-12-11 12:22:02 · answer #7 · answered by probug 3 · 0⤊ 1⤋
Does anyone use a dictionary anymore?
Or are we doing your homework?
All above are correct.
2006-12-11 12:19:18 · answer #8 · answered by oldster 5 · 0⤊ 1⤋