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Chemistry
Periodic Table
| Question | Answer |
|---|---|
| Who was Mendeleev? | Created the periodic table in late 1800's |
| Mosley | determined atomic #, which is how the periodic table is organized |
| Periods | Horizontal, elements with same p.e.l are in the same period |
| Groups | elements that have similar properties, Valance electrons |
| Metals | groups 4-12 and groups 1 and 2 beside H and the underneath of the staircase |
| Non metals | H, anything that comes after the staircase |
| Metalloids | the staircase starting with B and Si |
| Alkali Metals | Group 1, very reactive, Fr |
| Earth Metals | Group 2 |
| Transition Metals | 4-12 |
| Noble Gases | group 18 |
| Halogens | Group 17, very reactive, F |
| Gases on the Periodic table | N, O, F, Cl, All group 18 |
| Liquids on Periodic Table | Hg, Br |
Created by:
Carly M