B.
its the only one with ozone in the reaction O₃
The atomic mass is the sum of the protons and neutrons in an atom
<h3>
Answer: CO2</h3>
Explanation:
Well C2H6 there are 2 carbon and 6 hydrogen atoms
and having no number on the right of the letter means there is only one atom
Answer:
two oxygen atoms
Explanation:
One mole of oxygen gas, which has the formula O2, has a mass of 32 g and contains 6.02 X 1023 molecules of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) atoms, because each molecule of oxygen contains two oxygen atoms.
Answer:
Molecules are made of atoms.
