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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 |