Question

(a) An element X has a valency 3+
(i) Write the formula of its phosphide
(ii) Write the formula of the carbonate
(iii) Write the formula of its nitrate
(iv) Write the formula of its Borates

Answer 1

Explanation:

Phosphide(3-)

PubChem CID 5182128

Molecular Formula P-3

Synonyms phosphide(3-) Phosphide phosphanetriide 22569-71-7 CHEBI:33468 More...

Molecular Weight 30.97376200

Dates Modify 2021-08-21 Create 2005-08-01

Answer 2

Answer:

Explanation:

X has valency 3 and oxide ion has valency 2  

So, the formula of oxide will be X  

2

​

O  

3

​