Lithium ion salts were originally found in seven-up® drinks. how many electrons does li atom lose to become an ion?

One (1) electron

Explanation:

Lithium is a group 1 element with an atomic number of 3. Thus, it has just 3 electrons and its electronic configuration is 1s2, 2s1

To become lithium ion salts, it gives off its lone electron thereby becoming Li+ with configuration of 1s2 with just 2 electrons left.

So, Li atom loses only ONE ELECTRON to become an ion

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