5 Questions
Which position in the isotopic symbol represents the mass number?
Left superscript position
What does the mass number represent in an atom?
The number of protons and neutrons combined
What is another name for the mass number?
Atomic weight
Where is the proton number indicated in the isotopic symbol?
Left subscript position
What does the proton number emphasize in a nuclear reaction?
The change of numbers of nucleons
Test your knowledge of isotopic symbol and ionic notation in this quiz! Learn how to represent the mass number and number of protons in different atoms. Put your understanding of nucleons to the test!
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