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Determine the mass number of an element that contains 26 protons, 22 electrons, and 30 neurons

User Inon
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2 Answers

2 votes

Answer:

Mass = 56

Step-by-step explanation:

User Bel
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7.6k points
3 votes

Answer:

56 is the mass

Step-by-step explanation:

You would add 26 and 30(the protons and neutrons). I didn't add the electrons because they are so small their mass is negligible in this situation.

User Michael Sepcot
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