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प्रश्न
Complete the statement given below by filling in the blanks with the correct words.
Atom contains ________ , with positively charged _____.
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उत्तर
Atom contains nucleus , with positively charged protons
संबंधित प्रश्न
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Complete the statement – an element is a pure substance made up of ____________ atoms.
Write the names of elements from the following symbol:
Fe
Write the names of elements from the following symbol:
Ir
Select the correct answer from the choice in the bracket.
The least reactive metal.
Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.
Select the correct answer from the choice given below to complete the sentence :
An example of a monoatomic molecule is ___________.
Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
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 |
