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प्रश्न
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 |
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उत्तर
| Atom | Building block of matter |
| Element | Atoms of the same kind |
| Compound | Atoms of different kinds |
| Molecule | Smallest unit of a substance |
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संबंधित प्रश्न
Define: Elements
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 the following.
Inert gases
Complete the statement given below by filling in the blank with the correct word.
An element is a pure substance which cannot be broken down by physical or _________ methods.
Select the correct answer from the choice given below.
The type of molecule- bromine
Select the correct answer from the choice given below.
The unreactive non-metallic element
Select the correct answer from the choice given below.
An element which is a poor conductor of heat
Write the names of elements from the following symbol:
Cd
Write the names of elements from the following symbol:
Si
Select the correct answer from the choice in the bracket.
The positively charged particle of an atom.
