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प्रश्न
Indicate whether the following statement is true or false:
Elements are made up of compounds
विकल्प
True
False
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उत्तर
False
Correct Statement: Elements are made up of atoms.
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संबंधित प्रश्न
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
Give two examples of Metalloids.
Give two examples of the following.
Non-metals which are lustrous
Give one use of the following substance:
Coal
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – a gas with a pungent, choking odour which is lighter than air
Select the correct answer from A, B, C, D & E for the statement given below :
A mixture consisting of elements & a compound.
Higher Order Thinking Skills.
List out the metals, non-metals and metalloids which you use in your house, schools. Compare their properties.
Match the following.
| Atom | Building block of matter |
| Element | Atoms of different kinds |
| Compound | Atoms of the same kind |
| Molecule | Smallest unit of a substance |
Matter is its simplest form is called ______.
______ is a mixture of gases.
