contestada

In the fusion reaction occurring in the Sun, how does the mass of helium atom formed compare to the mass of the hydrogen atoms?
A.
The mass of helium atoms formed is greater than the sum of the mass of the hydrogen atoms.
B.
The mass of helium atoms formed is lesser than the sum of the mass of the hydrogen atoms.
C.
The mass of helium atoms formed is same as the sum of the mass of the hydrogen atoms.
D.
The mass of helium atoms formed is unknown.
E.
The masses of helium atoms formed and the mass of hydrogen atom cannot be measured.