Chemistry
The formula of a compound represents:
- an atom
- a molecule
- an ion
- all of these
Chemical Formula
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Answer
a molecule
Reason — A molecular formula of a compound is the symbolic representation of its (one) molecule. It shows the number of atoms of each element present in it. These atoms combine in whole numbers to form the molecule.
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Related Questions
The symbol of sulphite ion is:
- SO42-
- HSO4-
- SO32-
- S2-
Which of the following sets of elements show variable valencies?
- Iron and calcium
- Copper and sodium
- Lead and mercury
- Silver and potassium
Which of the following has zero valency?
- Hydrogen
- Chlorine
- Carbon
- Neon
The valencies shown by copper is:
- 1 and 2
- 2 and 3
- 2 and 4
- 1 and 3