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tum2015 tum2015
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3 years ago
The mass number of an atom can be calculated from ________.

▸ the number of protons plus neutrons

▸ the number of neutrons

▸ the number of protons

▸ the number of electrons

▸ the number of electrons plus protons
Textbook 
Chemistry: An Introduction to General, Organic, and Biological Chemistry

Chemistry: An Introduction to General, Organic, and Biological Chemistry


Edition: 13th
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squallysqually
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3 years ago
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tum2015 Author
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3 years ago
this is exactly what I needed
jamesbove
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
tcat
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2 hours ago
Helped a lot
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