Home / Unit-6 Stoichiometry / Question
MCQ
In the formula O2, the subscript 2 means:
Unit-6 Stoichiometry
A two atoms of oxygen
B two molecules of oxygen
C two electrons of oxygen
D two grams of oxygen
Explanation

The subscript shows that each O2 molecule contains two oxygen atoms.

Related MCQs

The volume occupied by one mole of any gas at STP is:
Unit-6 Stoichiometry View
The reactant that is completely consumed in a chemical reaction is the:
Unit-6 Stoichiometry View
The number of moles of atoms in 12 g of carbon is:
Unit-6 Stoichiometry View
In a balanced chemical equation, the numbers written before the formulas are called:
Unit-6 Stoichiometry View
Which formula gives the simplest ratio of atoms present in a compound?
Unit-6 Stoichiometry View
The mass of 0.25 mol of water (H2O) is:
Unit-6 Stoichiometry View