click below
click below
Normal Size Small Size show me how
the first 20 on pt
first 20 on the periodic table
Question | Answer |
---|---|
1 | hydrogen |
2 | helium |
3 | lithium |
4 | boron |
5 | carbom |
6 | nitrogen |
7 | oxygen |
8 | fluorine |
9 | neon |
10 | sodium |
11 | magnesium |
12 | aluminum |
13 | silicon |
14 | phospurus |
15 | sulfur |
16 | chlorine |
17 | argon |
18 | potassium |