carbon-12 is?

0 ⤊

A. +
B. indicates number of atoms
C. 1:8 expresses this
D. C6H12O6
E. mass of O
F. not chemically combined
G. mass of H2O
H. standard for atomic masses
I. mass of CO2
J. two or more elements chemically united

2006-10-26 17:51:23 · 3 answers · asked by ian y 1 in Science & Mathematics ➔ Chemistry

3 answers

H. standard for atomic masses

2006-10-26 17:52:52 · answer #1 · answered by The Potter Boy 3 · 0⤊ 0⤋

H
it is taken as standard for atomic amsses. i'12 th of it's mass is 1 amu.

2006-10-26 17:55:46 · answer #2 · answered by !kumar! 2 · 0⤊ 0⤋

2006-10-26 17:54:03 · answer #3 · answered by stu h 1 · 0⤊ 0⤋