Question

How many atoms of oxygen (O) are represented in the chemical formula shown below?

2 CO2


1 atom of oxygen


2 atoms of oxygen


6 atoms of oxygen


4 atoms of oxygen

Answer 1

4 atoms of oxygen

Step-by-step explanation:

2 atoms of oxygen gas O2

Answer 2

4 atoms of oxygen

Step-by-step explanation:

The given chemical formula is:

2CO₂

Unknown is the number of atoms;

There are :

C : 2 atoms of carbon

O: (2 x 2) atoms of oxygen in the given molecule

4 atoms of oxygen