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week 4 mr B
| Question | Answer |
|---|---|
| alkali metal | group 1 |
| alkaline earth metal | group 2 |
| transition metal | groups 3-12 |
| halogens | group 17 most reactive non metals |
| noble gases | they dont react with anything |
| period | going across there is 7 period |
| row | going across there is 7 row |
| Mendeleev | organized the periodic table (solitaire) using chemical properties |
| halo | salt former |
| photo | light |
| chromo | to compare |
| solv | to find a solution |
| centro | towards the center |