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Tenth Grade (Grade 10) Matter Questions

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Grade 10 Nuclear Physics
Nuclear fission is the splitting of the                 of an atom.
  1. neutron
  2. nucleus
  3. proton
  4. electron
Grade 10 Matter
Under normal circumstances, water boils at                      .
  1. 100°F
  2. 200°C
  3. 212°F
  4. 212°C
Grade 10 Matter
Which of the following occurs when you increase the volume of a gas?
  1. Temperature decreases.
  2. Temperature increases.
  3. Temperature remains the same.
  4. Temperature remains the same, but pressure increases.
Grade 10 Matter
Which of the following correctly depicts an ideal gas, based on Kinetic Molecular Theory?
  1. Gases exert forces on each other.
  2. Gases move in a circular way.
  3. Gases average kinetic energy is directly proportional to temperature.
  4. Gases have small spaces separating them.
Grade 10 Nuclear Physics
What is the force of attraction between molecules?
  1. Diplole
  2. London Forces
  3. Intermolecular Forces
Grade 10 Thermodynamics
How do the boiling points and freezing points in degrees Celsius of certain substances that are gaseous at room temperature change with increasing molar mass?
  1. In general, the higher the molar mass the higher is the FP and BP.
  2. In general, the higher the molar mass the lower is the FP and BP.
  3. In general, the freezing points and boiling points are directly proportional to the molar mass.
  4. None of the above
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
According to the Kinetic Molecular Theory, when you increase a gas' volume, the
  1. pressure increases.
  2. pressure decreases.
  3. pressure remains constant.
  4. pressure remains constant, but the temperature increases.
Grade 10 Matter
The formation of frost is an example of
  1. condensation.
  2. evaporation.
  3. deposition.
  4. melting point.
Grade 10 Matter
What unit is used to measure volume?
  1. Kilogram (kg)
  2. Newton (N)
  3. Meters (m)
  4. acceleration (a)
Grade 10 Matter
What does the wavelength of electromagnetic radiation represent?
  1. The wavelength represent the distance between the top (apex) and bottom (fundus) of a standing wave.
  2. The wavelength represents the distance a wave will travel before it is extinguished.
  3. The wavelength represents the distance between corresponding points on two successive waves.
Grade 10 Matter
Which of the following parts make up an atom?
  1. Elements and nucleons
  2. Nucleons and electrons
  3. Compounds and nucleons
  4. Substances and electrons
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 Matter
Which of the following correctly characterizes gas particles, as per the Kinetic Molecular Theory?
  1. inelastic collisions
  2. elastic collisions
  3. linear collisions
  4. circular and inelastic collisions
Grade 10 Quantum Physics and the Atom
What are the differences between the 2s orbital and the 1s orbital of hydrogen? How are they similar? (Select all that apply.)
  1. The 2s orbital is shaped like dumbbells, whereas the 1s orbital is spherical.
  2. The 2s orbital is more oblong than the 1s orbital.
  3. The 2s orbital is larger than the 1s orbital.
  4. The 2s orbital is smaller than the 1s orbital.
  5. The 2s orbital is similar in shape to the 1s orbital.
  6. The 2s orbital is the same size as the 1s orbital.
Grade 10 Matter
Which of the following represents a correct definition of matter?
  1. As anything with mass, only
  2. As anything that occupies space, only
  3. As anything that contains pure substances, only
  4. As anything with mass that occupies space
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