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What is the atomic number of an element in the period table mean?

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What is the atomic number of an element in the period table mean?

A. number of protons
B. number of electrons
C. number of neutrons
D. number of molecules




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    1. Quizzma Team

      A. number of protons

      Atomic number means the number of protons – but also secretly number of electrons – on the periodic table, the elements are considered to be in their neutral state

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