An abbreviation for molecule The amount of nitrogen in one litre of air The amount of energy needed to heat 1g of platinum through 1°C The number of atoms in 12g of carbon twelve
8g 16g 32g 64g
68 100 124 204
68g 100g 124g 132g
17.5% 29% 35% 58%
FeO Fe2O FeO2 Fe2O3
0.622g 1.865g 16.79g 27.0g