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Questions and Answers
Which of the following is a characteristic property of nonmetals?
Which of the following is a characteristic property of nonmetals?
- Tend to be brittle or crumbly when solid (correct)
- Good conductors of heat and electricity
- High density and low electronegativity
- Oxides tend to be basic
What distinguishes the oxides of nonmetals from those of metals?
What distinguishes the oxides of nonmetals from those of metals?
- Oxides of nonmetals are highly malleable
- Oxides of nonmetals tend to be acidic (correct)
- Oxides of nonmetals have low electronegativity
- Oxides of nonmetals are good conductors
Which elements make up the overwhelming majority of the Earth's crust, atmosphere, oceans, and biosphere?
Which elements make up the overwhelming majority of the Earth's crust, atmosphere, oceans, and biosphere?
- Hydrogen, helium, carbon, nitrogen, and oxygen
- Helium, nitrogen, carbon, oxygen, and silicon
- Hydrogen, carbon, nitrogen, oxygen, and silicon (correct)
- Nitrogen, oxygen, carbon, hydrogen, and silicon
Which elements are recognized as the two lightest nonmetals that together make up about 98% of the observable ordinary matter in the universe by mass?
Which elements are recognized as the two lightest nonmetals that together make up about 98% of the observable ordinary matter in the universe by mass?
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What industries benefit from the distinct properties of nonmetallic elements?
What industries benefit from the distinct properties of nonmetallic elements?
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