periodic table
- Created by: Bobbycar
- Created on: 03-10-19 12:43
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- GCSE AQA combined science- the Periodic Table
- history of the Periodic Table
- Newlands
- he used a 'law of octaves'- elements were in groups of 8
- but elements ended up having metals and non metals together
- he used a 'law of octaves'- elements were in groups of 8
- mendeleev
- he left gaps.
- future elements fit in those gaps.
- he left gaps.
- Newlands
- the groups
- group 1
- elements: Lithium, Sodium, Potassium, Rubidium, Ceasium, Francium
- very reactive
- as you go down:
- reactivity increases, melting and boiling point get lower, atomic mass increases
- as you go down:
- elements:
- Flourine, Chlorine, Bromine, Iodine, Astatine
- group 7
- they become LESS reactive, higher melting and boiling points, higher atomic masses
- group 1
- modern periodic table
- Untitled
- history of the Periodic Table
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