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Chapter 1 Review
Atoms and Molecules
Question | Answer |
---|---|
What is an atom? | The building block of matter |
What happens when atoms combine? | They form different types of matter |
What is an element? | A substance made of only one type of atom |
What is the relationship among atoms, elements, and molecules? | They are all made up of atoms |
What is a compound? | Two or more elements that are chemically joined |
Matter with a composition that is always the same | Substance |
A mixture in which the substances are not evenly mixed | Heterogeneous mixture |
Substance made of only one kind of atom | Element |