Use the equation to answer the question.

2/1H + 2/1H -> 4/2H + energy
Which statement best describes the mass numbers of the atoms in the reaction?
• There are two atoms with mass numbers of 2
• There is one atom with a mass number of 2
• There are two atoms with mass numbers of 1
• The is one atoms with a mass number of 1

1 answer

There is one atom with a mass number of 2
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