A potassium atom (atomic number 19) loses an electron while forming a bond with another atom.
Which best describes the potassium ion that forms?
It is a negative ion that has one less valence electron than a neutral potassium atom.
It is a negative ion that has one more valence electron than a neutral potassium atom.
It is a positive ion that has one less valence electron than a neutral potassium atom.
It is a positive ion that has one more valence electron than a neutral potassium atom.