Question

Compare 1 mole of H₂, 1 mole of O₂, and 1 mole of F₂.

a) They have the same number of atoms
b) H₂ has the most atoms
c) O₂ has the most atoms
d) F₂ has the most atoms

Answer 1

1 mole of H₂, 1 mole of O₂, and 1 mole of F₂ have the same number of atoms but O₂ has the most atoms and the greatest mass.

Step-by-step explanation:

To compare 1 mole of H₂, 1 mole of O₂, and 1 mole of F₂, we need to consider the number of atoms and the mass.

a) They have the same number of atoms because each compound contains 2 atoms.

b) O₂ has the most atoms because it has 2 oxygen atoms, while H₂ and F₂ only have 2 hydrogen and 2 fluorine atoms, respectively.

c) O₂ has the greatest mass because oxygen has a larger atomic mass compared to hydrogen and fluorine.