Covalent Molecular- not diatomic: Phosphorus, Sulfur, Covalent Network: Boron, Carbon, Silicon, Metallic: Lithium, Beryllium, Sodium, Magnesium, Aluminium, Potassium, Calcium, Covalent molecular- Diatomic: Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Monatomic: Helium, Neon, Argon,

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