Why are the elements of group IA called alkali metals?

Answer 1

I think this refers to an Arabic root word.........

The word "al-quily" refers to the "ashes, potash"

And of course we commonly find the hydroxides of the alkali metals from extracting the ashes of a fire with water - hence #"potash"#, i.e. #"potasshium"#........

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Answer 2

Natalie Anton

Because they react with water to form alkaline (basic) solutions, the elements of Group IA are known as alkali metals.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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