Which of the following molecules shows two atoms of hydrogen (H)?(1 point)

Responses

2H2O
2 cap h sub 2 cap o

HO2
cap h cap o sub 2

2CH4
2 cap c cap h sub 4

H2SO4

1 answer

To determine which molecule shows two atoms of hydrogen (H), let's analyze each option:

  1. 2H2O: This represents 2 molecules of water. Each water molecule (H2O) has 2 hydrogen atoms, so 2H2O has a total of 2 x 2 = 4 hydrogen atoms.

  2. HO2: This molecule has 1 hydrogen atom (H) and 2 oxygen atoms (O), totaling 1 hydrogen atom.

  3. 2CH4: This represents 2 molecules of methane (CH4). Each methane molecule has 4 hydrogen atoms, so 2CH4 has a total of 2 x 4 = 8 hydrogen atoms.

  4. H2SO4: This molecule (sulfuric acid) has 2 hydrogen atoms, as indicated by the subscript '2' before sulfur (S) and oxygen (O).

Based on this analysis, H2SO4 is the correct response, as it shows exactly two hydrogen atoms.