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प्रश्न
Give Two Examples for Each of the Following: Inert Gases
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उत्तर
Helium, argon, neon.
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संबंधित प्रश्न
Name a soft metal.
Tick the most appropriate answer
Solutions are
- heterogeneous mixtures.
- compounds
- homogeneous mixtures.
- elements
Define: Formula
Name A substance used as an insulator.
Fill in the blank
The most abundant element in the earth’s crust is _______.
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
Draw a labelled diagram of an atom including its nucleus, orbits & their contents.
Select the correct answer from the choice given below.
The type of molecule- bromine
Write the names of elements from the following symbol:
Ir
Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.
