Name: the Hardest Naturally Occurring Substance

One Word/Term Answer

Diamond

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Chapter 3 Elements, Compounds and Mixtures
Exercise 3 (A) | Q 5.8 | Page 24

Is food that we eat a mixture ?

Tick the most appropriate answer.

How many times is a proton heavier than an electron?

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

Give reason: A frying pan is made up of steel but its handle is made up of wood.

Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of

Tick (√) the correct alternative from the choice given for the following statement

A gaseous non-metal.

Write the names of elements from the following symbol:

Pt

Write an answer to the following question in your own words.

Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?

Select the correct answer to the statement given below:

A metalloid

Give the chemical formula for cane sugar.