Simba

Group 38	Group Name : Simba
Group Members : Lucia Lim Jin Shi, Foo Xin Ting, Ng Xin Yi, Jennifer Thomas, Roshini Devi D/o Mohan, Ang Leh Shuen
1. They can differ from another by having different number of neutrons (isotopes). They can also differ from another by having different number of electrons (ions). Uranium atoms differ from carbon atoms as they both have different number protons, electrons and neutrons. They also have different chemical properties.
2. Chemical symbol N represents the element Nitrogen, which is the percentage of all the isotopes of Nitrogen that is naturally occurring. However, the representations 14N and 15N are for specific isotopes that have masses 14 and 15 respectively.
3. a) 94 b) Neptunium, Plutonium c) 86
4. A: Control rod assembly B: Cooling water out of the core C: Control rods D: Cooling water into the core E: Fuel rods
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CM8001