1) How many Oxygen (O) atoms are in this compound? a) 2 b) 3 c) 5 2) How many Aluminium (Al) atoms are in this compound? a) 2 b) 3 c) 5 3) How many Sodium (Na) atoms are in this compound? a) 1 b) 2 c) 3 4) How many Oxygen (O) atoms are in this compound? a) 1 b) 2 c) 3 5) How many Hydrogen (H) atoms are in this compound? a) 1 b) 2 c) 3 6) How many Nitrogen (N) atoms are in this compound?  a) 1 b) 2 c) 3 7) How many Chlorine (Cl) atoms are in this compound? a) 1 b) 2 c) 4 8) How many Carbon (C) atoms are in this compound? a) 1 b) 2 c) 4

Chemical formula - Compounds

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