Question

which atom or lon has the largest size
mg, Na, Na+, Mg2+, Al3+, Al​

Answer 1

Answer:

The largest ion is Na atom. Because in the last orbit it has only one valence electron. The nuclear pull on this electron is very less. Due to this the Na atom has largest size among the given atoms or ions.

Explanation:

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Answer 2

Answer:

Na atom has the largest size . Because it has only 1 electron in valence shell and ‘effective nuclear charge’ on the electron is much lesser than any other mentioned atom or ion.

Explanation:

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