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प्रश्न
Define: Atomicity
उत्तर
Atomicity: The number of atoms in a molecule of an element is called its atomicity.
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संबंधित प्रश्न
Give Two Examples for Each of the Following: Metalloids
State the number of atoms of each element, present in \[\ce{HNO3}\].
Also name the compound.
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Fill in the blank
The most abundant element in the earth’s crust is _______.
Tick (√) the correct alternative from the choice given for the following statement.
Brass and bronze are
Select the correct answer from the choice given below.
An impure substance
The diagram represents fractional distillation for the separation of mixtures. Answer the following :
- Can two immiscible liquids be separated by this process?
- Separation of liquids by this process is based on which physical property?
- If methyl alcohol & water are to be separated, which liquid would remain in flask ‘X’ after condensation.
- Give a reason for the above answer.
- State the purpose of the fractionating column in the apparatus.
The first letter of an element is always written in ______ letter.
Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?
______ is the life-giving element is the air.
