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Elements # 1-20

Atomic number symbol/Element
1 H (hydrogen)
2 He (helium)
3 Li (lithium)
4 Be (beryllium)
5 B (boron)
6 C (carbon)
7 N (nitrogen)
8 0 (oxygen)
9 F (fluorine)
10 Ne (neon)
11 Na (sodium)
12 Mg (magnesium)
13 Al (aluminum)
14 Si (silicon)
15 P (phosphorus)
16 S ( sulfur)
17 Cl (chlorine)
18 A (argon)
19 K (potassium)
20 Ca (calcium)
Created by: Downing.abigail
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