Advertisements
Advertisements
Question
What is a molecule ? Explain with an example.
Advertisements
Solution
Molecule is the smallest particle of a substance (element or compound), which has the properties of that substance. It can exist in a free state.
Example: Oxygen atoms combine and exist in the form of O3 molecules. Solid sulphur has eight sulphur atoms joined together, and exists in the form of S8 molecule.
APPEARS IN
RELATED QUESTIONS
What does 2C02 represent ?
Write the molecular formulae of Sodiun sulphide:
Write the molecular formulae of Calcium hydroxide :
State the term
The combining capacity of an element _______
Explain the term ‘atomicity’.
‘Dilute hydrochloric acid is added to sodium hydroxide’. Give a word equation and a molecular equation of the same. Is the equation written, a balanced equation. Give reasons.
Fill in the blank:
A molecule of an element is _________.
Molecule containing more than three atoms are known as ______.
How many atoms are present in a PO4 3– ion?
Express each of the following in kilograms
5.873×10−21g
