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Topic 2 Atomic Structure, Topic 3 Periodicity, Screen Shot 2021-10-13 at 8…
Topic 2 Atomic Structure
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Flame Tests
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when heated, electrons absorb energy and jump to higher level (excited).
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Topic 3 Periodicity
Nuclear charge
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Electronegativity
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Increases across a period, decreases down a group
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Ionisation energy
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Increases across a period, decreases down a group
If electron is in higher-sub level orbital or in a doubly filled orbital it has less ionization energy
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Melting Point
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Metallic character
If there is less ionisation energy, it is more metallic and vice versa
Decreaes across a period, increases down a group
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