When alkali metals react with water what product/s do they form? , When alkali metals react with oxygen, what product/s do they form?, What flame is observed when sodium burns? , What colour flame is observed when potassium burns?, What colour flame is observed when lithium burns? , Why do group 1 elements have similar properties? , What happens to the reactivity as you go down the group? Why does this happen? , What would you observe when sodium reacts with water? .

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