SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the proton number of Molybdenum?
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106
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74
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42
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24
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Explanation:
Detailed explanation-1: -Molybdenum is a chemical element with symbol Mo and atomic number 42.
Detailed explanation-2: -Chemical Elements.com-Molybdenum (Mo)
Detailed explanation-3: -So if molybdenum has 42 protons and 42 electrons, then why is the atomic mass (composed of only protons and neutrons as we said before) 95.94 instead of (42 protons + 42 electrons = ) 84?
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