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Eighth Grade (Grade 8) Atomic Structure Questions

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Grade 8 Atomic Structure
Grade 8 Atomic Structure

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

Which statement correctly compares the number of protons in oxygen and carbon?
  1. carbon has 2 more protons than oxygen
  2. oxygen has 2 more protons than carbon
  3. carbon has 4 more protons than oxygen
  4. oxygen has 4 more protons than carbon
Grade 8 Atomic Structure
Grade 8 Atomic Structure
The diagram represents Rutherford's Gold Foil experiment. Which statement is a conclusion that came from this experiment?
Rutherford Atomic Model #1
  1. electrons orbit the nucleus in rings at set distances
  2. the nucleus of an atom is made of protons and neutrons
  3. the probable location of electrons can be predicted using a cloud model
  4. most of an atom is empty space and its mass is concentrated in its center
Grade 8 Atomic Structure
The space surrounding the nucleus is called the
  1. electron cloud.
  2. ionic field.
  3. nucleus field.
  4. proton cloud.
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