Differentiate metals and non-metals.

अंतर स्पष्ट करें

Metals	Non-Metals
Metals are lustrous. They have a shiny	Non metals are non lustrous. They
surface	have non- shiny surface
Metals are generally hard	Non-metals are generally soft
Most metals are bendable	Non-metals are non bendable
Most metals can be bent, beaten into sheets and they can drawn into wires	Non-metals are non ductile
Most metals are good conductors of electricity	Non-metals are bad conductors of electricity
Most metals are good conductors of heat	Non-metals are bad conductors of heat
Most metals are making ringing sound when struck. Hence, they are used to make objects like bells	Non-metals does not make any sound when they struck
Ex. : Copper, Lead, Tin, Nickel	Ex. : Carbon, Iodine, Sulphur

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अध्याय 3: Matter Around Us - Evaluation [पृष्ठ ३९]

अध्याय 3 Matter Around Us
Evaluation | Q VI. 1. | पृष्ठ ३९

Write true or false

All pure substances have characteristic melting and boiling points.

Name: a Metal Which is brittle

Indicate whether the following statement is true or false:
Elements are made up of compounds

Give the name of the radical - OH

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.

Select the correct answer from the choice in the bracket.

The least reactive metal.

Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.

Match the following.

Higher-Order Thinking questions:

Why is hydrogen considered an element?