The positive of an element in the Periodic Table is determined by

The positive of an element in the Periodic Table is determined by
  • A.
    its density
  • B.
    its atomic radius
  • C.
    its relative atomic mass
  • D.
    the number of protons in its atom
  • E.
    the number of neutrons in its atom
Correct Answer: Option D
Explanation
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