Question

9. Which of the following are divalent radicals?
(a) phosphate
(b) Nitride
(c) carbonate
(d) magnesium
(e) Dichromate​

Answer 1

Answer:

(e) dichromate:-):-):-):-):-):-)

Answer 2

Answer:

Explanation:c,d,e

(CO3)2-

Mg+2

(Cr2O7) 2-