A) Group 1 (alkali metals) – lithium, sodium and potassium
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5 Terms
how do the alkali metals react with water?
All the alkali metals react vigorously with cold water.
In each reaction, hydrogen gas is given off and the metal hydroxide is produced.
The speed and violence of the reaction increases as you go down the group.
how reactions of these elements with water provide evidence for their recognition as a family of elements
shows that the reactivity of the alkali metals increases as you go down Group 1
how do the alkali metals react with the air?
react with oxygen from the air to make metal oxides (compound containing oxygen or oxide ions)
what is the trend of reactivity in group 1
increases as you move down the group
how to tell if a solution is alkaline
red litmus paper turns blue
Note 
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