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What Are The 10 Non Metals? Hydrogen (sometimes) Carbon. Nitrogen. Oxygen. Phosphorus. Sulfur. Selenium. Fluorine. What are the 12 non-metals? Chemically, hydrogen, carbon, nitrogen, oxygen, phosphorus, arsenic and selenium are the non-metallic elements in the periodic table. What are the 21 non-metals? Seventeen elements are generally classified as nonmetals; most are gases (hydrogen, helium, nitrogen,

What Are The 22 Non-metals? Hydrogen (sometimes) Carbon. Nitrogen. Oxygen. Phosphorus. Sulfur. Selenium. Fluorine. What are 10 solid non-metals? 10 non-metals are solids: Important solid non-metals are: Boron (B), Carbon (C), Silicon (Si), Phosphorus (P), Arsenic (As), Sulphur (S), Iodine (I). 11 non-metals are gases: These are: Hydrogen (H), Nitrogen (N), Oxygen (O), Fluorine (F),