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Type: Multiple-Choice
Category: Physics
Level: Grade 8
Tags: PS1.C
Author: HTAdmin
Created: 2 years ago

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Grade 8 Physics

The identity of a chemical element is determined by                                                       .
  1. the number of neutrons it possesses
  2. the number of protons it possesses
  3. the total number of protons and neutrons it possesses
  4. the total number of electrons and protons it possesses