Adoubly ionized lithium atom (li2+) has only one electron in orbit about the nucleus. what is the radius of the ion when it is in the n = 4 excited state?

Explanation:

n = order of excited state of the ion = 4

z = atomic number of lithium atom = 3

Radius of ion in nth excited state is given as

for n = 4 and z = 3

inserting the values

neither accurate nor precise.

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