X 2, 4
y 2, 7
z 2, 1
(a) Which two elements will combine to form an ionic compound?
(b) Which two elements will react to form a covalent compound ? Give reasons for your choice.
(b) The two elements which will react to form a covalent compound are Y and Z.this is because a covalent bond is formed when both the reacting atoms need electrons to achieve the inert gas electron arrangement.