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Seventh Grade (Grade 7) Atomic Structure Questions

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Grade 7 Atomic Structure
A neutral atom becomes a positive ion when it                   .
  1. gains an electron.
  2. gains a proton.
  3. loses an electron.
  4. loses a proton.
Grade 7 Atomic Structure

This question is a part of a group with common instructions. View group »

An atom's nucleus contains                                 .
  1. neutrons only
  2. protons and electrons
  3. neutrons, protons, and electrons
  4. protons and neutrons
Grade 7 Atomic Structure
Protons have                   .
  1. negatives charges
  2. no charge
  3. positive charges
  4. no electric charge
Grade 7 Atomic Structure
Grade 7 Atomic Structure
Grade 7 Atomic Structure
Who thought atoms were "uncuttable"?
  1. Dalton
  2. Democritus
  3. Bohr
  4. Thomson
Grade 7 Atomic Structure
Grade 7 Atomic Structure
Who conducted experiments in combining elements?
  1. Dalton
  2. Bohr
  3. Thomson
  4. Rutherford
Grade 7 Atomic Structure
Grade 7 Atomic Structure
Neutrons have
  1. no electric charge.
  2. positive charges.
  3. negative charges.
  4. particles.
Grade 7 Atomic Structure
Electrons have
  1. no charges.
  2. positive charges.
  3. negative charges.
  4. fast charges.
Grade 7 Atomic Structure
Grade 7 Atomic Structure
What is the building block of matter?
  1. cell
  2. molecule
  3. element
  4. atom
Grade 7 Atomic Structure
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