2007-04-24 07:49:31 · 6 answers · asked by kendra 1 in Science & Mathematics ➔ Chemistry
Hydrogen gas
2007-04-24 07:52:37 · answer #1 · answered by Gene 7 · 1⤊ 0⤋
The smallest molecule in terms of mass is hydrogen, H2. The smallest molecule in terms of volume is probably helium, He. The covalent radius of helium is 32 pm, or a diameter of 64 pm, compared to a 74 pm spacing between the atoms of molecular hydrogen.
2007-04-24 08:56:45 · answer #2 · answered by Helmut 7 · 0⤊ 0⤋
Smallest molecule would be the hydrogen molecule, H2.
The smallest atom is the atom of H
2007-04-24 07:55:50 · answer #3 · answered by Weird.Beryl 3 · 0⤊ 0⤋
Hydrogen, H2.
2007-04-24 08:16:09 · answer #4 · answered by Jerry P 6 · 0⤊ 0⤋
I think its hydrogen gas
H2
H--H
H is the smallest atom
2007-04-24 08:07:33 · answer #5 · answered by Anonymous · 0⤊ 0⤋
hydrogen gas
2007-04-24 09:03:48 · answer #6 · answered by Ms. Buckyball 3 · 0⤊ 0⤋