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1. How many electrons in boron-11?
11 5 6 10 None of these

2. Which of these can an element have a different number of?
Protons Neutrons Electrons All of these None of these

3. Answer: 0.05820 * 26.001
1.5 1.51 1.513 1.5132 All of these

4. Which of these has a negligible mass?
Protons Neutrons Electrons Atoms None of these

5. Convert 48.0oF to kelvin.

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