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

2. Which of these has 23 protons?
Scandium Titanium Vanadium Chromium None of these

3. How many protons in sodium-23?
11 12 23 1 0

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

5. What is the SI unit for mass?

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