Phosphorus forms a number of oxohalides, x3po, in which x may be a f, cl, or br atom. the most common of these, phosphoryl chloride, is obtained as follows:
Answer:
A. Calcium- Ca2+
Chlorine - Cl-
Thus, they form Calcium Chloride with formula CaCl2.
B. Barium - Ba2+
Bromine - Br-
Compound - Barium Bromide, BaBr2.
C. Sodium - Na+
Phosphorus - P3- (not sure, usually it is Phosphate)
Compound - Na3P
D. Magnesium - Mg2+
Oxygen - O2-
Compound - Magnesium Oxide, MgO.
