Based on the electron configuration of the two
atoms, predict the ratio of metal cationic (+) atom
to nonmetal anionic (-) atom in the compound.
1s²2s²2p 3s²3pº4s¹
1s²2s²2p63s²3p5
Potassium
Chlorine
A. 1:2
B. 3:2
C. 1:1
D. 2:3