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Last updated 9:37 AM on 10/12/26
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6 Terms

1
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Lithium in water

Fizzing, Metal moved quickly on the surface of the water, disappeared

2
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Sodium in water

Fizzing, Metal moved quickly on the surface of the water, disappeared, Molten ball,

3
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Potassium in water

Fizzing, Metal moved quickly on the surface of the water, disappeared, Molten ball, Lilac

4
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As you go down group 7 what happens to reactivity and why?

Reactivity decreases down the group. As atoms gain more electron shells, atomic radius and shielding increase, weakening the nucleus's electrostatic pull and making it harder to attract and gain an incoming electron.

5
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As you go down group 1 what happens to reactivity and why?

It increases as electrons are lost more easily

6
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Sodium + water —>

Sodium hydroxide + hydrogen