There are ______ number of known elements. - Science

There are ______ number of known elements.

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There are 118 number of known elements.

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Chapter 3: Matter Around Us - Evaluation [Page 38]

Chapter 3 Matter Around Us
Evaluation | Q II. 6. | Page 38

Classify the following substances into compounds and mixtures:

What are the different types of mixtures ?

Name: the Hardest Naturally Occurring Substance

Define Elements.

The important physical properties of substances are colour, odour, nature, density & solubility in water.

Name – a gas with a pungent, choking odour which is lighter than air

Give the name of the radical - CO₃

Write the names of elements from the following symbol:

Select the correct answer to the statement given below:

A compound containing carbon, oxygen and calcium.

______ is a mixture of gases.

Give the chemical formula for cane sugar.