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प्रश्न
Elements are made up of______ kinds of atoms.
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उत्तर
Elements are made up of same kinds of atoms.
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संबंधित प्रश्न
Is food that we eat a mixture ?
Differentiate between:
Homogenous and heterogenous substances
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Fill in the blank
A metal which is a poor conductor of electricity is _______.
Tick (√) the correct alternative from the choice given for the following statement
A metal which is brittle
Differentiate between the terms –
elements, compounds & mixtures.
Write the names of elements from the following symbol:
Br
Write the names of elements from the following symbol:
Pt
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
Two or more coloured constituents are soluble in some solvent.
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
