Group 1

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sntiger

Cards (8)

Metal + water -> ?
Metal hydroxide + hydrogen
How is the outer electron lost more easily?
As you go down group 1 the atoms radis increases. This means the force of attraction between nucleus and electron decreases so outer electron is lost more easily
Lithium + water -> lithium hydroxide + hydrogen 
Li + H20 -> LiOH + H2
What is balanced equation if lithium reaction with water
2Li + 2H20 -> 2LiOH + H2
Group 1 metals are soft, low density(reason why they float above water in reactions) and low melting point
As you go down group 1:
Metals become more reactive
Melting and boiling points decrease
Why does reactivity increase in group 1 
number of electron shells in each atoms increase and outer electrons gets further from nucleus and it's attraction to nucleus decreases and is easily lost
How does pottasium react?
Forms ball,Catches on fire with a lilac flame,

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Group 1

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