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प्रश्न
Define: Elements
उत्तर
Element is a substance which cannot be broken further into simpler substances and has a definite set of properties. Elements are made up of only one kind of atoms.
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संबंधित प्रश्न
Give Two Examples for Each of the Following: Inert Gases
Give two examples of Noble gases.
Find the atomicity of the Following molecule:
Dinitrogen Oxide
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 |
Select the correct answer from the choice given below to complete the sentence :
Compounds are ____________ in nature.
Elements are the______ form of pure substances.
Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
Why are utensils made up of aluminium and brass?
An element is sonorous and highly ductile. Under which category would you classify this element? What other characteristics do you expect the element to possess?
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.
