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Well we are up to 118 (117 disputed but there was a recent report that this has been discovered) now. 90 of these are found naturally on earth and the rest have to be made in nuclear reactors and particle accelerators. Of those 118

H, He, B,C, N, O, F, Ne, P, Si, P, S, Cl, Ar, Ge, As, Br, Kr, I, Xe, Rn are non metals - the rest are metals

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13y ago
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Q: How many elements are known to us and how many are non metal?
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