Practice Quiz

NAEP Science Grade 12

Category - Science

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Which particle is a negatively charged ion?
  1. Hydrogen (H) with 1 proton, 0 neutrons, and 1 electron
  2. Sodium (Na) with 11 protons, 12 neutrons, and 10 electrons
  3. Chlorine (Cl) with 17 protons, 18 neutrons, and 18 electrons
  4. Magnesium (Mg) with 12 protons, 12 neutrons, and 12 electrons
Explanation
Answer: C - Chlorine (Cl) with 17 protons, 18 neutrons, and 18 electrons.
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