Give an example of a set which has exactly 10 elements.
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Hydrogen (H) - nonmetal.
Helium (He) - nonmetal.
Oxygen (O) - nonmetal.
Neon (Ne) - nonmetal.
Nitrogen (N) - nonmetal.
Carbon (C) - reactive nonmetal.
Silicon (Si) - metalloid.
Magnesium (Mg) - alkaline earth metal.
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Step-by-step explanation:
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