29. Oxygen with a mass number of 16 and oxygen with a mass number of 18 is the more similar pair. This is because the only difference is that one has more neutrons.
30. 352 pm
31. a. Germanium (Ge) b. Silicon (Si)
32. Cobalt and nickel & Argon and Potassium
33. Magnesium is an alkaline metal. It has luster, lasts, and is very durable, strong and resistant so it is great to use on ships to prevent corrosion.
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| Spectral Lines of Magnesium |
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Forever and Always,
Abiii
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