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प्रश्न
Define: Molecule
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उत्तर
Molecule: A molecule can be defined as the smallest unit of an element or a compound which exhibits all the properties of that element or compound and has an independent existence. They are divisible into atoms.
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संबंधित प्रश्न
Name: the Hardest Naturally Occurring Substance
Name: an Inert Gas
Define a pure substance. How many types of pure substances do you know?
Name: Two substances used to make electric wires
Find the atomicity of the Following molecule:
Calcium Chloride
Indicate whether the following statement is true or false:
Metals reflect light and are good conductors of electricity
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 ___________
Give the name of the radical - SO4
Select the correct answer from the choice given below.
An impure substance
Explain the difference between Metals and non-metals.
