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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
विकल्प
an element
a compound
a mixture
all of the above
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उत्तर
a compound
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संबंधित प्रश्न
Name a soft metal.
Tick the most appropriate answer
Solutions are
- heterogeneous mixtures.
- compounds
- homogeneous mixtures.
- elements
Name: A form of carbon used as a gem
Fill in the blank
A liquid non-metal is _______.
Elements are classified into – Metals – Non-metals – Metalloids – Noble gases. State which of A, B, C, D is a –
1. Metallic element
2. Non-metallic element
3. Metalloid
4. Noble gas.
A: Is non-malleable, non-ductile & a poor conductor of electricity ___________
B: Has lustre, is malleable and ductile & a good conductor of heat ___________
C: Is unreactive and inert and present in traces in the air _________
D: Shows properties of both metals and non-metals ___________
Select the correct answer to the statement given below:
A non-metal which exists in the liquid state.
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
Elements are made up of______ kinds of atoms.
Give an example for the elements derived from their Latin names.
Give the chemical formula for cane sugar.
