Chemistry > 10-20 Elements > Flashcards
Sodium
11Na22.9
Magnesium
12Mg24.3
Aluminium
13Al26.9
Silicon
14Si28
Phosphorous
15P30.9
Sulfur
16S32
Chlorine
17Cl35.4
Argon
18Ar39.9
Potassium
19K39
Calcium
20Ca40