|
ION FORMATION |
| METALLIC elements | NONMETALLIC elements | ||
| tend to LOSE electrons | tend to GAIN electrons | ||
| and form POSITIVE IONS (cations) | and form NEGATIVE IONS (anions) | ||
| with the
SAME NAME
as the element. | whose name changes to end in -IDE. | ||
| | |||
| examples: | examples: | ||
Na+ sodium
|
Cl- chloride
| |
Ca2+ calcium
|
O2- oxide
|
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