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OpenStudy (narissa):
@sapphiremoon
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OpenStudy (narissa):
Silicon (atomic number 14) has isotopes of silicon-28, silicon-29, and silicon-30. What is the number of protons in the second largest isotope? ? 28 ? 29 ? 15 ? 14
OpenStudy (narissa):
D?
OpenStudy (narissa):
@princeharryyy
OpenStudy (sapphiremoon):
The number of protons doesn't change between isotopes.
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