Physics · May / June 2021 · Paper 41 · Question 9
0625
As printed in the paper
The question as text
There are three naturally occurring isotopes of hydrogen: hydrogen-1, hydrogen-2 and hydrogen-3. The nuclide notation for hydrogen-1 is 1 1H.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
9(a)[1]
2
1H
and 3
1H and in this order
9(b)(i)[2]
joining together of (small / H) nuclei
to produce a bigger nucleus / He nucleus or with the release of energy
9(b)(ii)[3]
( 2
1H + 3
1H →) 1
0n
(+) 4
2(….)
He or α seen
9(c)[2]
any two from:
geothermal (energy)tidal (energy)nuclear (energy)
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.