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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