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How many metals are there in group 1
6
Among potassium, sodium and lithium. Which metal is the most reactive?
potassium
as the metal moving down in the group, what is the trends for density?
it is increasing
as the metal moving down in the group, the melting point will increase. true/false?
False
as the metal moving down in the group, the boiling point will decrease. true/false?
True
when alkali metal react with water, what kind of gas is produced?
hydrogen
when alkali metal react with water, it will produce an alkaline solution. true/false?
True
