valency
Asked by | 17th Sep, 2008, 10:12: PM
Expert Answer:
z element name, atomic mass.
1 Hydrogen 1.00794
2 Helium 4.002602
3 Lithium 6.941
4 Beryllium 9.012182
5 Boron 10.811
6 Carbon 12.0107
7 Nitrogen 14.0067
8 Oxygen 15.9994
9 Fluorine 18.9984032
10 Neon 20.1797
11 Sodium 22.98976928
12 Magnesium 24.3050
13 Aluminium 26.9815386
14 Silicon 28.0855
15 Phosphorus 30.973762
Answered by | 18th Sep, 2008, 08:06: AM
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