[mkcoldwolf] 1st Standard Test
Posted: Wed Oct 24, 2018 5:07 am
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- Period number (1 - 7) = number of occupied electron shells
- Group number (I - VII, 0) = number of electrons in the outermost shell
- Left Hand Side: Reactivity increases down the group
- Right Hand Side: Reactivity decreases down the group
- Group I: Alkali metals
- Group II: Alkaline earth metals
- Group II & III: Transition metals
- Group VII: Halogens
- Group 0: Noble gases
- Test for chloride ion
- Add excess dilute nitric acid
- Add silver nitrate solution
- White precipitate forms
- White insoluble silver chloride - Test
- bauxite = aluminium
- copper pyrite = copper
- haematite = iron
- galena = lead
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