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प्रश्न
Elements are made up of______ kinds of atoms.
उत्तर
Elements are made up of same kinds of atoms.
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संबंधित प्रश्न
Give two examples of Noble gases.
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
Complete the statement – an element is a pure substance made up of ____________ atoms.
Write the names of elements from the following symbol:
Xe
Select the correct answer to the statement given below:
A compound containing carbon, oxygen and calcium.
Give an example of two liquids which form homogenous.
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
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 other than carbon that shows allotropy.
Name the element which is used for making computer chips.
