Give an example for the elements derived from their Latin names.

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Chapter 3: Matter Around Us - Evaluation [Page 39]

Chapter 3 Matter Around Us
Evaluation | Q V. 12. | Page 39

Fill in the blank

Use of a ................. to separate the components of a mixture of solids is based on the difference in the size of the components

Give Two Examples for Each of the Following: Non-metals

Name: a Liquid Non-metal

What is meant by 2H and H₂

State the number of atoms of H₂SO₄

Find the atomicity of the Following molecule:
Aluminium Suiphide

Write the names of elements from the following symbol:

Select the correct answer to the statement given below:

A metalloid

Differentiate between elements and compounds.

Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.

Name a non-metal which is required for combustion.