Best in SEA

Group 25 Group Name : Best in SEA
Group Members :
Calwin, Wan Lin, Xinning, Shermaine, Vanes, Leonard
1.

Carbon atoms can have different number of neutrons, and have different atomic size and mass.
Carbon atoms are different from uranium atoms in atomic mass, number of protons, and half-life.
2.

14N and 15N are isotopes. Mass number = Proton number + Neutron number.
As both have the same number of protons, they differ in the number of neutrons by 1.
3.

a. 94
b. 93 protons – Neptunium (Np)
94 protons – Plutonium (Pu)
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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