GGG | CM8001

Group 18	Group Name : GGG
Group Members : Jun Wei, Ka Yii, Ivan, Norman, Sean, Puay Ching
1. One carbon atom can differ from another in the number of neutrons and electrons. All carbon atoms differ from all uranium atoms in the number of protons, neutrons and electrons.
2. N-14 and N-15 are isotopes which have the same number of protons but differ in their numbers of neutrons. Hence, they have different mass numbers. On the other hand, symbol N is simply a representation of the element nitrogen which is a mixture of all isotopes.
3. a) 94 protons b) 93 protons: neptunium, 94 protons: 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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