30 | CM8001

Group 30	Group Name : 30
Group Members : ASHLEY KOH SHU HUI, TANG JIA EN JANELLE, BERNADETTE LIM WEI SEE, LOO JIA JIE SEAN, CHUA LING HUI, ALICIA CHING SHIQI
1. One carbon atom can differ from another in the number of neutrons or electrons. (Example: C-12, C-13) All carbon atoms differ from all uranium atoms in their number of protons, neutrons and electrons.
2. The superscript represents the mass number. Mass number refers to the number of protons and neutrons altogether. 14N has the mass number of 14 while 15N has the mass number of 15.
3. a) 94 protons b) 93 – Neptunium 94 – Plutonium c) 86 protons
4. A – control rods B – cooling water out of the core C – control rod assembly D – cooling water into the core E – fuel rods
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