Write down the name of a compound represented by the following formula: CaCl2 - Science

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

CaCl₂

One Line Answer

Calcium chloride

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Chapter 3: Atoms and Molecules - Intext Questions [Page 39]

Chapter 3 Atoms and Molecules
Intext Questions | Q 2.2 | Page 39

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

Al₂(SO₄)₃

Give the name of the element present in the following compound:

Baking powder

Give the name of the element present in the following compound:

Potassium sulphate

Define: Atomic number

Define: Mass number :

Define: Atomic weight :

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

An element X forms the following compounds with hydrogen, carbon and oxygen :

H₂X, CX₂, XO₂, XO₃

State the three valencies of element X which are illustrated by these compounds.

Why are the symbols and formulae of substances important?

Derive the relationship between Relative molecular mass and Vapour density.