click below
click below
Normal Size Small Size show me how
Science
Periodic table -
| Question | Answer |
|---|---|
| Substance made of different atoms can be physically separated | Mixture |
| Smallest piece of an element | atom |
| the 118 pure substances that make up the unviverse | elemnets |
| positively charged particle | proton |
| negatively charged particle | electron |
| a neutrally charged particle | neutron |