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Questions and Answers
Which type of elements tend to have low density and high electronegativity?
Which type of elements tend to have low density and high electronegativity?
- Metalloids
- Nonmetals (correct)
- Transition metals
- Metals
Which two elements make up about 98% of the observable ordinary matter in the universe by mass?
Which two elements make up about 98% of the observable ordinary matter in the universe by mass?
- Hydrogen and helium (correct)
- Oxygen and hydrogen
- Helium and carbon
- Carbon and nitrogen
What is a common characteristic of oxides of nonmetals?
What is a common characteristic of oxides of nonmetals?
- Tend to be basic
- Tend to be acidic (correct)
- Tend to be neutral
- Tend to be amphoteric
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 ability of an atom in a molecule to attract electrons to itself called?
What is the ability of an atom in a molecule to attract electrons to itself called?
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