Give Two Examples for Each of the Following: Metalloids

One Line Answer

Antimony, silicon, boron.

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

Chapter 3 Elements, Compounds and Mixtures
Exercise 3 (A) | Q 2.3 | Page 24

Differentiate between:

Homogenous and heterogenous substances

Name: a Liquid Non-metal

State the number of atoms of each element, present in \[\ce{HNO3}\].

Also name the compound.

Give reason: Argon is filled in electric bulbs.

Answer the following question:
Give the advantages of using symbols instead of names of elements or compounds.

Fill in the blank
A liquid non-metal is _______.

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

The most ductile metal.

Give the name of the radical - OH

Higher Order Thinking Skills.

List out the metals, non-metals and metalloids which you use in your house, schools. Compare their properties.

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.