Write down the name of a compound represented by the following formula: CaCO3

Write down the name of a compound represented by the following formula:

CaCO₃

One Line Answer

Calcium carbonate

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Chapter 3 Atoms and Molecules
Intext question | Q 8. (v) | Page 34

Write down the name of a compound represented by the following formula:

Al₂(SO₄)₃

Write down the name of a compound represented by the following formula:

K₂SO₄

Calculate the number of molecules of sulphur (S₈) present in 16 g of solid sulphur.

Define: Mass number :

Define: Atomic weight :

In what form does oxygen gas occur in nature ?

What do the following denote ?

What is the difference between the molecule of an element and the molecule of a compound ? Give one
example of each.

Calculate the mass of 3.011 × 1024 atoms of carbon.

State the atomicity of the following:

Neon