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ch. 3 lesson 1
Cell Processes Capter 3 Lesson 1
| Question | Answer |
|---|---|
| element | matter that contains only one kind of atom |
| compound | two or more elements |
| molecular | atoms share an electron exapmle: sodium wants to get rid of an extra electron, and chlorine wants an extra electron so when they exchange it makes salt |
| ion | when an atom gains or loses an electron |
| ionic | two or more ions combined example: salt |