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Questions and Answers
What is matter?
What is matter?
- The building blocks of atoms
- Anything that has mass and takes up space (correct)
- Any substance that can be broken down into simpler chemical substances
- A combination of two or more pure substances that are chemically combined
How many elements are known to science?
How many elements are known to science?
- 118 (correct)
- 20
- 50
- 92
What is an element?
What is an element?
- The smallest particle of matter with unique properties
- A combination of two or more chemically combined substances
- A sample composed of one kind of matter with a constant composition
- The simplest type of chemical substance that cannot be broken down by ordinary means (correct)
What is a pure substance?
What is a pure substance?
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What is the difference between a mixture and a compound?
What is the difference between a mixture and a compound?
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What is the substance that dissolves in a solvent to produce a solution?
What is the substance that dissolves in a solvent to produce a solution?
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Which of the following is an example of a gas-gas solution?
Which of the following is an example of a gas-gas solution?
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What is considered the universal solvent?
What is considered the universal solvent?
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Which of the following is an example of an extensive physical property?
Which of the following is an example of an extensive physical property?
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What is the difference between mass and weight?
What is the difference between mass and weight?
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