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Chemistry, 26.02.2020 03:07 dre2544

Applying Math
6. Simple Equation An atom of niobium has a mass
number of 93. How many neutrons are in the nucleus
of this atom? An atom of phosphorus has 15 protons
and 15 neutrons in the nucleus. What is the mass
number of this isotope?
SECTION 2 The Simplest Matter 283

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Applying Math
6. Simple Equation An atom of niobium has a mass
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