Which statement best explains why magnesium and chlorine combine in a 1:2 ratio?(1 point)
Responses
Chlorine’s atomic number is twice magnesium’s atomic number.
Chlorine’s atomic number is twice magnesium’s atomic number.
Chlorine can accept twice as many electrons as magnesium has in its outer shell.
Chlorine can accept twice as many electrons as magnesium has in its outer shell.
Magnesium has one electron shell, and chlorine has two electron shells.
Magnesium has one electron shell, and chlorine has two electron shells.
Magnesium has two valence electrons, and chlorine can accept one electron in its outer shell.