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15 cards from this deck
Oxide layer forms on surface
In oil (prevents reaction with O2_22 & moisture)
Low density, so most float
1 electron
Increases
Outer electron further from nucleus, more easily lost
Decreases
metal + oxygen ightarrow ightarrowightarrow metal oxide
metal + water ightarrow ightarrowightarrow metal hydroxide + hydrogen
Hydrogen
Purple
Moves quicker and forms a ball shape
Lilac flame
Yes, all can be cut with a knife
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