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Questions and Answers
Which property is characteristic of nonmetals?
Which property is characteristic of nonmetals?
- High ductility and malleability
- Tendency to form basic oxides
- High electronegativity and low density (correct)
- Good conductors of heat and electricity
What distinguishes oxides of nonmetals from oxides of metals?
What distinguishes oxides of nonmetals from oxides of metals?
- Oxides of nonmetals are good conductors, while oxides of metals are poor conductors
- Oxides of nonmetals have high density, while oxides of metals have low density
- Oxides of nonmetals tend to be basic, while oxides of metals tend to be acidic
- Oxides of nonmetals tend to be acidic, while oxides of metals tend to be basic (correct)
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?
- Iron, copper, zinc, lead, and nickel
- Sodium, magnesium, aluminum, potassium, and calcium
- Mercury, arsenic, cadmium, selenium, and radon
- Hydrogen, carbon, nitrogen, oxygen, and silicon (correct)
What percentage of the observable ordinary matter in the universe by mass is made up by hydrogen and helium?
What percentage of the observable ordinary matter in the universe by mass is made up by hydrogen and helium?
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What industries benefit from the specific uses of nonmetallic elements?
What industries benefit from the specific uses of nonmetallic elements?
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