Question

question 7 (0.5 points) give the best systematic name for the compound be(h2po4)2 1 2 a. beryllium b. beryllium (ii) c. diberyllium d. monberyllium e. phosphate f. dihydrogen phosphate g. dihydrogen phosphorus tetroxide h. dihydrogen phosphite i. phosphite j. trilobite

Explanation:

Beryllium is the metal cation in the compound and has a +2 charge which is not indicated as it is a Group - 2 element with a fixed charge. The polyatomic anion present is dihydrogen phosphate ($H_2PO_4^-$).

Answer:

A. beryllium
F. dihydrogen phosphate