Question

13. Covalent bonds are formed when 2 atoms share electrons. Ionic bonds are formed when one atom steals 1 or more electrons from another atom, creating positive and negative ions. These ions now "stick together". Using the table below, which column of elements are more likely to form ionic bonds than covalent bonds?

[] orange and yellow
[] red and dark purple
[] orange and blue
[] red and light purple

Answer 1

Answer is red and light purple,
because red column has one electron in its outermost shell and light purple have deficiency of one electron to become stable (according to octet rule)