Which of the following pairs of elements are likely to form ionic compounds:

A) helium and oxygen
B) magnesium and chlorine
C) chlorine and bromine
D) potassium and sulfur
E) sodium and potassium
F) nitrogen and oxygen

I believe the answer is d and f

Would appreciate a verification and as to why I might be wrong or right instead of a link saying what is an ionic compound thank you

1 answer

Elements on the left side of the table form ionic compounds with elements on the right side of the table. Elements form covalent compounds with other elements on the same side of the periodic table.