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How many elements are generally considered nonmetals?
How many elements are generally considered nonmetals?
Seventeen
What are the two lightest nonmetals that make up about 98% of the observable ordinary matter in the universe by mass?
What are the two lightest nonmetals that make up about 98% of the observable ordinary matter in the universe by mass?
Hydrogen and helium
What are the typical characteristics of nonmetals?
What are the typical characteristics of nonmetals?
Low density, high electronegativity, poor conductors of heat and electricity, tend to be brittle or crumbly when solid
What tends to be the nature of oxides of nonmetals?
What tends to be the nature of oxides of nonmetals?
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How do metals and nonmetals differ in terms of their conductive properties and pliability?
How do metals and nonmetals differ in terms of their conductive properties and pliability?
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