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Questions and Answers
Which of the following is a characteristic of nonmetals?
Which of the following is a characteristic of nonmetals?
- Tend to be pliable when solid
- Good conductors of heat and electricity
- Low density and high electronegativity (correct)
- High density and low electronegativity
What is a common property of oxides of nonmetals?
What is a common property of oxides of nonmetals?
- High density
- Good conductors of electricity
- Tend to be acidic (correct)
- Tend to be basic
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?
- Gold, silver, platinum, copper, and iron
- Helium, lithium, beryllium, boron, and fluorine
- Hydrogen, carbon, nitrogen, oxygen, and silicon (correct)
- Sodium, magnesium, aluminum, potassium, and calcium
Which industries are mentioned as being integral to nonmetallic elements?
Which industries are mentioned as being integral to nonmetallic elements?
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What percentage of the observable ordinary matter in the universe by mass is made up of hydrogen and helium?
What percentage of the observable ordinary matter in the universe by mass is made up of hydrogen and helium?
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