PH-2074

Fission and fusion

Physics · Secondary 4 · Easy · Fission and fusion

Which of the following nuclear equations represents a fusion reaction?

$^{235}_{92}U + ^1_0n \rightarrow ^{144}_{56}Ba + ^{89}_{36}Kr + 3\,^1_0n$
$^2_1H + ^3_1H \rightarrow ^4_2He + ^1_0n$
$^{238}_{92}U \rightarrow ^{234}_{90}Th + ^4_2He$
$^{14}_6C \rightarrow ^{14}_7N + ^0_{-1}e$

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