Potassium Has One Electron in Its Fourth Shell,and Chlorine Has

Multiple Choice

Potassium has one electron in its fourth shell,and chlorine has seven electrons in its third shell.Which of the following is most likely to be true?

A) Chlorine will give an electron to potassium to form an ionic bond.
B) Potassium will give an electron to chlorine to form an ionic bond.
C) The two atoms will share the electron unequally in a polar covalent bond.
D) The two atoms will share an electron equally in a nonpolar covalent bond.