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1. How many neutrons in carbon-13?
13 0 1 7 6

2. 26.01/4.0
6.5 6.50 6.503 7 All of these

3. Convert 480. lbs. to SI.
Answer:

4. Which of these is not an element?
Uranium Plutonium Iron Gold Brass

5. When an element has a different number of neutrons, it is called a/an...
Anomaly Differentiated Mutated Isotope None of these

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