Question Detail

CHM 101 CHM 101 Past Questions Objective Question

Question

Which of the following elements is least likely to form a cation?
Options
A Sodium
B Magnesium
C Fluorine
Correct Answer
D Potassium
Correct Answer

Option C is the correct answer.

Detailed Explanation

Cations are positively charged ions formed by losing electrons. Fluorine is a nonmetal with very high electronegativity and ionization energy. It is much more likely to gain an electron to form an anion (F⁻) than to lose electrons to form a cation.

Hint

Which element is a nonmetal that tends to gain electrons, not lose them?

Question Info