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  • 02-10-2017
  • Chemistry
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Worksheet answers foratomic number & mass number practice atomic number = number of ________ in an atom

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Аноним Аноним
  • 05-10-2017
Atomic number = number of protons in an atom....

The whole number on the periodic table is the atomic number of the element which is also the same as the number of protons 
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