Molecular formula and valency - class-VII

Casual Mode - Take your time!

1 / 19
✓
Correct
0
✗
Incorrect
0
★
Score
0%
Multiple Answers

Quantitatively, formula represents:

  1. One molecule of the substance.
  2. The actual number of atoms of each element in one molecule of the substance.
  3. The number of parts by weight of the substance (molecular weight).
  4. The number of parts by weight of each element.
Change Mode