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Counting Atoms
Review of Counting Atoms for Quiz
Question | Answer |
---|---|
What is an atom? | The smallest unit of an element |
What is an element? | A substance made up of only ONE kind of atom |
What is a compound? | A molecule that is formed by combining two or more different elements (CO or HCl) |
What is a molecule? | Is formed when two or more atoms of one element are chemically combined (O2 or H2 are molecules) |
What is a subscript? | The small number to the right of any element. It tells how many atoms of the element it has |
What is a coefficient? | It is the number on the left of the compound or molecule. It tells how many molecules it has. |