In H2O, how many H atoms are there?, 3, 2, 4, 1, In CO2, how many O atoms are there?, 2, 1, 4, 3, In NaCl, how many Cl atoms are there?, 3, 2, 0, 1, In CH4, how many H atoms are there?, 5, 2, 4, 3, In NH3, how many H atoms are there?, 2, 3, 4, 1, In O2, how many O atoms are there?, 1, 4, 2, 3, In C6H12O6, how many C atoms are there?, 7, 4, 5, 6, In C6H12O6, how many O atoms are there?, 6, 12, 10, 8, In Mg(OH)2, how many O atoms are there?, 1, 3, 4, 2, In Al2O3, how many Al atoms are there?, 3, 1, 2, 4

Counting Atoms (Subscripts)

Leaderboard

Visual style

Options

Switch template

Continue editing: ?