29

a150032
Group 29 Group Name : 29
Group Members :
Koh Kian Yu Ernest, Lee Jue Ying, Lim Leong Tai, Wong Chin Hong
1.

1. Isotopes: They can have same number of protons but different number of neutrons.
2. Ions: They can have different charges on the atoms depending on the number of electrons on the atom.
2.

By stating the mass number, we can differentiate the isotopes of nitrogen.
3.

a. 145
b. Neptunium: 93, Plutonium: 94
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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