What is the electronegativity difference in the compound aluminum chloride, alcl3? a.4.77 b.3.16 c.7.87 d.1.55?

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

Can someone me with 6 to 10 plz this is for masteries test.

What is bromine+calcium iodide--> calcium bromide +iodine balanced