MEDIUM
9th ICSE
IMPORTANT
Earn 100

A compound of sodium, sulphur and oxygen has the following percentage composition: Na=29.11%,S=40.51%,O=30.38%. Find its empirical formula (O= 16,Na = 23, S = 32).

Important Questions on The Language of Chemistry

EASY
9th ICSE
IMPORTANT
What is a symbol? What information does it convey?
EASY
9th ICSE
IMPORTANT
Explain why the symbol S is for sulphur while it is Na for sodium and Si for silicon?
EASY
9th ICSE
IMPORTANT

Write the formula for:

Ferric carbonate

EASY
9th ICSE
IMPORTANT

Write the formula for:

Zinc phosphate

EASY
9th ICSE
IMPORTANT

Write the symbol of a monovalent cation.

EASY
9th ICSE
IMPORTANT

Write the symbol of divalent cation.

EASY
9th ICSE
IMPORTANT
If the symbol for cobalt (Co) is written as CO what would be wrong with it?
EASY
9th ICSE
IMPORTANT

What do the following symbol stand for:

H