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Questions and Answers
Which property is characteristic of nonmetals?
Which property is characteristic of nonmetals?
- Pliable and shiny appearance
- High density and low electronegativity
- Good conductors of heat and electricity
- Low density and high electronegativity (correct)
What is the nature of oxides of nonmetals?
What is the nature of oxides of nonmetals?
- Tend to be acidic (correct)
- Tend to be basic
- Tend to be neutral
- Tend to be amphoteric
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?
- Nitrogen and oxygen
- Carbon and nitrogen
- Hydrogen and helium (correct)
- Oxygen and helium
What is the general conductivity of nonmetals for heat and electricity?
What is the general conductivity of nonmetals for heat and electricity?
What is the general state of nonmetals when solid?
What is the general state of nonmetals when solid?
What are some general properties of nonmetals?
What are some general properties of nonmetals?
How do the oxides of nonmetals generally behave?
How do the oxides of nonmetals generally behave?
Which elements are the two lightest nonmetals, making up about 98% of the observable ordinary matter in the universe by mass?
Which elements are the two lightest nonmetals, making up about 98% of the observable ordinary matter in the universe by mass?
What is the range of physical states nonmetals can exist in?
What is the range of physical states nonmetals can exist in?
What complicates the classification of nonmetals, according to the text?
What complicates the classification of nonmetals, according to the text?
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