| A | B |
|---|
| If the object sink | The object density is more than the water density. |
| If the object float | The object density is less than the water density. |
| In combined elements the electrons can be | around the nucleus, out of the atom or between atoms |
| The periodic table of elements are organized by | by num. of protons by row and by chemical properties by column |
| How you identify the atoms | by the number of protons |
| The compound elements | No always share electrons |
| The salt particles are | Together by opposite charge |
| More electrons than protons have | Negative charge and viceversa. |
