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15 cards from this deck
Oxide layer forms on surface
Prevent reaction with oxygen & moisture in air
Low density, so most float
1 electron
1 electron in outer shell, easily lost
Increases down the group
Outer electron further from nucleus, more easily lost
Decreases down the group
Metal oxide
Metal hydroxide (alkali) + hydrogen gas
Float, move, and fizz on surface
Moves quicker, forms ball shape
Moves quickly, has lilac flame
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