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There are eight protons in an oxygen atom and one proton in a hydrogen atom. What are these number called? A: periodic table B: mass number C: atomic number

There are eight protons in an oxygen atom and one proton in a hydrogen atom. What are these number called? A: periodic table B: mass number C: atomic number
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There are eight protons in an oxygen atom and one proton in a hydrogen atom. What are these number called?

A: periodic table
B: mass number
C: atomic number

User DMM
by
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2 Answers

6 votes
I agree it is C. Atomicnumber
User Eugeniu Torica
by
8.2k points
4 votes
atomic number, its the little number to the top right in the little box in your periodic table
User Leo Zhu
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8.3k points
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