Advertisements
Advertisements
Question
Write the molecular formulae for the following compounds
Calcium (II) phosphate
Advertisements
Solution
Calciuih (II) phosphate – Ca3(PO4)2
APPEARS IN
RELATED QUESTIONS
State the chemical symbols for the following elements :
Sodium, Potassium, Iron, Copper, Mercury, Silver.
An element X has a valency of 4 whereas another element Y has a valency of 1. What will be the formula of the compound formed between X and Y ?
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
Identify the following substance:
A brown gas D with the irritating smell.
Write the formula of the following compound:
Sodium bisulphite
Write the formula of the following compound:
Copper [II] oxide
Define the term Relative molecular mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.
Find the valency of the element which is underlined in the following formula.
- NaCl
- CO2
- Al (PO4)
- Ba (NO3)2
- CaCl2
