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23-10-2015
Physics

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The order of elements in the periodic table is based on
a. the number of protons in the nucleus.
c. the number of neutrons in the nucleus.
b. the electric charge of the nucleus.
d. atomic mass.

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Аноним Аноним

23-10-2015

A, the number of protons in the nucleus.
The atomic number tells us the amount of electrons and protons in an atom.

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