Construct as a star dies, it becomes denser.
its temperature rises to a point where
helium (he) nuclei fuse with other nuclei.
when this happens, the atomic numbers of
the other nuclei are increased by 2 because
each gains the two protons contained in
the he nucleus. for example, chromium
(cr) fuses with he to become iron (fe).
copy and complete the concept map
showing the first four steps in he fusion.

Answerthe energy required is 1.60 × 10⁻¹⁸ j, to three significant figures.explanationwe define electric potential as the ratio electric potential energy to the charge,    then the following gives us the potential difference,      the formula  may be on your formula sheet.the change in electric potential energy would be the energy that would needed to move it from point a to point b. solving for that, we get    using q = 8.00  × 10⁻¹⁹ c and  δv = 2.00 v, we get    the energy required is 1.60 × 10⁻¹⁸ j, to three significant figures.