Name: the Hardest Naturally Occurring Substance - Chemistry

Name: the Hardest Naturally Occurring Substance

One Word/Term Answer

Diamond

shaalaa.com

Is there an error in this question or solution?

Chapter 3: Elements, Compounds and Mixtures - Exercise 3 (A) [Page 24]

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

Write true or false

All pure substances have characteristic melting and boiling points.

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

Give two examples of the following.
Non-metals which are lustrous

State the number of atoms of CaCO₃

Name: A form of carbon used as a gem

Find the atomicity of the Following molecule:
Aluminium Suiphide

Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom

Select the correct answer from the choice given below.
A group of atoms of elements

Select the correct answer from the choice in the bracket.

The least reactive metal.

‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.