3 years ago

Compared to a potassium atom, a potassium ion has A) a smaller radius B) a larger radius C) fewer protons D) more protons

1 answer:

5 0

Potassium is a metal. So when it is ionized, it is to act as a cation, or a positively charged ion, K⁺. This means that potassium donates an electron when ionized. Thus, it would have lesser electrons and consequently, smaller radius. So, the answer is A.

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