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Ninth Grade (Grade 9) Atomic Structure Questions

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Grade 9 Atomic Structure
Grade 9 Atomic Structure
Which subatomic particle has a positive charge?
  1. proton
  2. neutron
  3. electron
  4. nucleus
Grade 9 Atomic Structure
Grade 9 Atomic Structure
The nucleus is made up of
  1. Protons and electrons
  2. Electrons and neutrons
  3. Protons and neutrons
  4. Protons, neutrons, and electrons
Grade 9 Atomic Structure
Why does an atom have no net electric charge?
  1. Its subatomic particles carry no electrical charge.
  2. The positively charged protons cancel out the negatively charged neutrons.
  3. The positively charged neutrons cancel out the negatively charged electrons.
  4. The positively charged protons cancel out the negatively charged electrons.
Grade 9 Atomic Structure
Grade 9 Atomic Structure
Grade 9 Atomic Structure
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