click below
click below
Normal Size Small Size show me how
Stack #100559
Stack #100559 gr5 science MP1 study guide DD
| A | B |
|---|---|
| elements can be ___ | metals and semi metals |
| elements can be ___ | non-metals |
| elements can be ___ | noble gases |
| Ernest Rutherferd | discovered that atoms consist of protons, neutrons, and electrons |
| weight | measurement of the force of gravity on an object |
| compounds | substance made up of 2 or more elements - impossible to separate |
| mixtures | combination of 2 or more substances that can be separated |
| Dmitry Medeleyev | helped design Periodic Table of Contents |
| matter is ___ | The material all things are made of |