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Eighth Grade (Grade 8) Atomic Structure Questions

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Grade 8 Atomic Structure
The space surrounding the nucleus is called the
  1. electron cloud.
  2. ionic field.
  3. nucleus field.
  4. proton cloud.
Grade 8 Atomic Structure
Kayla draws the image shown as part of her physical science homework.
Electron-Dot Diagram - Phosphorus
What did Kayla draw?
  1. Bohr model
  2. Lewis symbol
  3. Molecular formula
  4. Structural formula
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

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

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.
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