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Tenth Grade (Grade 10) Matter Questions

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Grade 10 Matter
Grade 10 Nuclear Physics
Grade 10 Quantum Physics and the Atom

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

Select the correct electron configuration for silicon, atomic number 14.
  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 10 Nuclear Physics
What is the reaction called when nuclei split apart?
  1. nuclear fusion
  2. chemical bond
  3. uranium
  4. nuclear fission
Grade 10 Matter
Grade 10 Nuclear Physics
Grade 10 Quantum Physics and the Atom

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

Grade 10 Nuclear Physics
Grade 10 Nuclear Physics
What is the force of attraction between molecules?
  1. Diplole
  2. London Forces
  3. Intermolecular Forces
Grade 10 Matter
Grade 10 Quantum Physics and the Atom
What is meant by the ground state of an atom?
  1. The ground state of an atom is when it has lost all energy.
  2. The ground state of an atom is its highest possible energy state.
  3. The ground state of an atom is when it has not been charged with energy.
  4. The ground state of an atom is its lowest possible energy state.
Grade 10 Quantum Physics and the Atom
How does the energy of a principal energy level depend on the value of n? Does a higher value of n mean a higher or lower energy?
  1. The lower the value of the principal energy level, n, the higher the energy of the principal energy level.
  2. The higher the value of the principal energy level, n, the higher the energy of the principal energy level.
  3. The lower the value of the principal energy level, n, the lower the energy of the principal energy level.
  4. The higher the value of the principal energy level, n, the lower the energy of the principal energy level.
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