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Eighth Grade (Grade 8) Atomic Structure Questions

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Grade 8 Atomic Structure
An atom with more electrons than protons would be considered a(n)
  1. metal atom
  2. nonmetal atom
  3. ion
  4. atom of a metalloid
Grade 8 Atomic Structure

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Grade 8 Atomic Structure
Particle of the nucleus with no electrical charge
  1. atomic number
  2. isotope
  3. electron
  4. neutron
Grade 8 Atomic Structure
If an atom loses an electron, it becomes
  1. a positive ion
  2. a negative ion
  3. neutral
Grade 8 Atomic Structure
subatomic particle that has a positive charge
  1. electron
  2. neutron
  3. proton
  4. isotope
Grade 8 Atomic Structure
Which of the following is NOT true of atoms?
  1. They are composed of molecules.
  2. They can combine with other atoms.
  3. They make up elements.
  4. They are extremely small.
Grade 8 Atomic Structure
Grade 8 Atomic Structure
Grade 8 Atomic Structure
The mass of a neutron is
  1. about equal to the mass of a proton
  2. much less than the mass of a proton
  3. about equal to the mass of an electron
  4. much less than the mass of an electron
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