7
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Question 7 • Physical Science

A potassium atom (atomic number 19) loses an electron while forming a bond with another atom. Which best describes the potassium ion that forms?

Answer
A
It is a positive ion that has one more valence electron than a neutral potassium atom.
B
It is a negative ion that has one more valence electron than a neutral potassium atom.
C
It is a negative ion that has one less valence electron than a neutral potassium atom.
D
It is a positive ion that has one less valence electron than a neutral potassium atom.
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A potassium atom (atomic number 19) loses an…