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bhspsvoc7
Phys Sci voc 7 2018
| Term | Definition |
|---|---|
| Valence Electrons | Electrons in the outer shell |
| Trend | A pattern in the Periodic Table |
| family/group | Column on the periodic table, each column of elements has the same number of valence e-, short cut for making Lewis dot/electron dot diagrams |
| Period | Row on the periodic table, shows that elements gain mass as you go across due to more p |
| Inert | Chemically inactive, doesn't react |
| Reactivity | The rate at which a chemical reaction can occur |
| Ion | An atom with a charge, has lost or gained electrons |
| Cation | A positively charged ion |
| Anion | A negatively charged ion |
| Atomic Theory | Current understanding of the atom |