classification of first 30 elements into metals and non-metals
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Answer:
just the first 20 elements
Explanation:
Metals: Lithium, Beryllium, Sodium, Magnesium, Aluminum, Potassium, and Calcium
Non-metals: Hydrogen, Helium, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Phosphorus, Sulfur, Chlorine, and Argon
Metalloids: Boron and Silicon
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