Consider the incomplete equation. 2 to the 4th power He plus 2 to the 4th power He rightarrow ? If this equation was completed, which statement would it best support?
Answer
A
Nuclear fusion produces elements that are heavier than helium.
B
Nuclear fission produces elements that are lighter than helium.
C
Nuclear fission produces elements that are heavier than helium.
D
Nuclear fusion produces elements that are lighter than helium.
Explanation
The equation shows two helium-4 nuclei combining, which is nuclear fusion. Their mass numbers add to 8, so the product is a nucleus heavier than helium (beryllium-8). This supports the statement that nuclear fusion produces elements heavier than helium.
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