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S8P1.f
| Term | Definition |
|---|---|
| periodic table | a chart tha organiszed information about all the known elements accoriding to their properties |
| period | in chemisty a horizantal row of elements in the table |
| group | a vertical properties column of elements in the table elements in a groups share chemical propperties |
| valence eletrons | an electron that is found in the outemost shell of an atomand that determines the atoms chemical properies |
| reactivity | |
| metalloid | |
| inert |