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प्रश्न
Select the correct answer from the choice given below.
A group of atoms of elements
पर्याय
ion
radical
combining power
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उत्तर
radical
संबंधित प्रश्न
What are the advantages of chromatography?
Give two applications of chromatography.
Give two examples of the following.
Elements which are liquids
Match the Columns:
| Column A | Column B | ||
| (a) | Metals | (i) | Non-Reactive |
| (b) | Molecules | (ii) | Brittle |
| (c) | Non-Metals | (iii) | Lustrous |
| (d) | Noble Gases | (iv) | Smallest unit of Compound |
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
Draw a labelled diagram of an atom including its nucleus, orbits & their contents.
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.
Name the two elements which are derived from the country.
How are elements classified?
