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Ninth Grade (Grade 9) Matter Questions

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Grade 9 Matter
This is the basic unit of matter.
  1. photon
  2. atom
  3. molecule
  4. compound
Grade 9 Quantum Physics and the Atom
What is the mass of a proton or a neutron?
  1. 1 amu
  2. 2 amu
  3. 1 gram
  4. 0.34 amu
Grade 9 Quantum Physics and the Atom
What does the mass number of an atom tell you about the atom?
  1. number of electrons
  2. number of protons
  3. number of neutrons
  4. number of protons and neutrons
Grade 9 Matter
In what temperature range does water exist as a liquid?
  1. 1-50 degrees Celsius
  2. 0-100 degrees Celsius
  3. 50-100 degrees Celsius
  4. 34-86 degrees Celsius
Grade 9 Quantum Physics and the Atom
Where are electrons located in an atom?
  1. nucleus
  2. center
  3. electron cloud
  4. everywhere
Grade 9 Quantum Physics and the Atom

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Grade 9 Quantum Physics and the Atom
What are the three subatomic particles found in an atom?
  1. electron, proton, neutron
  2. neutron, photon, electron
  3. electron, proton, ion
  4. proton, neutron, isotope
Grade 9 Quantum Physics and the Atom
Which of the following would be an isotope of aluminum?
  1. Atom A: mass number=24, atomic number=13
  2. Atom B: mass number=24, atomic number=12
  3. Atom C: mass number=26, atomic number=14
  4. Atom D: mass number=22, atomic number=11
Grade 9 Matter
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