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Quantum Physics and the Atom Questions - All Grades

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Grade 10 Quantum Physics and the Atom

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Which of the following represents a correct ground-state electron configuration for a silicon atom?
  1. [math]1s^2 2s^2 2p^6 3s^2 3p^6 4s^2[/math]
  2. [math]1s^2 2s^2 2p^4 3s^2 3p^4[/math]
  3. [math]1s^2 2s^2 2p^6 3s^2 3p^2[/math]
Grade 8 Quantum Physics and the Atom
A substance that cannot be broken down into simpler substances by physical or chemical means.
  1. Matter
  2. Element
  3. Metalloid
  4. Molecule
Grade 8 Quantum Physics and the Atom
What is an element that has properties of metals and nonmetals?
  1. Matter
  2. Element
  3. Metalloid
  4. Molecule
Grade 5 Quantum Physics and the Atom
Which two subatomic particles are found in the NUCLEUS of at atom?
  1. protons & neutrons
  2. protons & electrons
  3. neutrons & electrons
  4. electrons & protons
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 10 Quantum Physics and the Atom

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When describing the electrons in an orbital, we use arrows pointing upward and downward (↑ and ↓) to indicate what property?
  1. electron configuration
  2. electron spin
  3. electron charge
  4. electron orbitals
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 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 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
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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How could the charge of a neutral carbon atom be changed, such that a negative ion would form? (Note: The type of element, carbon, cannot be changed.)
  1. add a proton
  2. add an electron
  3. subtract an electron
  4. subtract a proton
Grade 5 Quantum Physics and the Atom
What is a neutron?
  1. A subatomic particle with a negative charge.
  2. A subatomic particle with a neutral charge.
  3. The center of the atom where subatomic particles are found.
  4. A subatomic particle with a positive charge
Grade 9 Quantum Physics and the Atom
Which force is responsible for holding the nucleus of an atom together?
  1. Electromagnetic force
  2. Strong nuclear force
  3. Weak force
  4. Gravitational force
Grade 9 Quantum Physics and the Atom
What does the atomic number tell about an atom?
  1. the number of protons
  2. the number of protons and neutrons
  3. the number of electrons
  4. the number of neutrons
Grade 11 Quantum Physics and the Atom
                      is a theory that proposes that every elementary particle exhibits the properties, not only of particles, but also of waves.
  1. General relativity
  2. Atomic Model theory
  3. Schrodinger's theory
  4. Wave-particle duality
Grade 11 Quantum Physics and the Atom
Which of the following formed the basis for the old quantum theory?
  1. Bohr’s atomic model
  2. Schrodinger’s model
  3. Wien’s hypothesis
  4. Planck’s law
Grade 11 Quantum Physics and the Atom
Which of the following cannot be classified as a mixture?
  1. Milk
  2. A solution
  3. Gold
  4. Brass
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