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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?
- High density and low electronegativity
- Low density and high electronegativity (correct)
- Good conductors of heat and electricity
- Tend to be pliable when solid
What is the general property of oxides of nonmetals?
What is the general property of oxides of nonmetals?
- Tend to be amphoteric
- Tend to be basic
- Tend to be neutral
- Tend to be acidic (correct)
Which elements make up about 98% of the observable ordinary matter in the universe by mass?
Which elements make up about 98% of the observable ordinary matter in the universe by mass?
- Hydrogen and helium (correct)
- Nitrogen and hydrogen
- Carbon and nitrogen
- Oxygen and helium
What is a common characteristic of nonmetals when solid?
What is a common characteristic of nonmetals when solid?
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What is the most common characteristic of metals in terms of conducting heat and electricity?
What is the most common characteristic of metals in terms of conducting heat and electricity?
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