Physics Quiz

What is an electron?

• A positive subatomic particle in the nucleus of an atom

• A neutral subatomic particle in the nucleus of an atom

• The negative subatomic particle in the electron cloud of an atom

• A particle with no charge found in the electron cloud

What is electromagnetic radiation?

• A form of energy that exhibits particle-like behavior as it travels through space

• A form of energy that exhibits wavelike behavior as it travels through space

• A form of energy that remains stationary in space

• A form of energy that only travels through solids

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What is wavelength?

• A unit of time for measuring waves

• A unit of speed for measuring waves

• A unit of distance for measuring waves

• A unit of frequency for measuring waves

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What is frequency?

• The number of waves that pass a given point in a certain time

• The speed of waves as they travel through space

• The height of waves as they travel through space

• The distance between waves as they travel through space

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What is an emission spectrum?

• The spectrum of sound released from excited atoms of an element

• The spectrum of light absorbed by atoms of an element

• The spectrum of light released from excited atoms of an element

• The spectrum of heat released from excited atoms of an element

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What does the Heisenberg uncertainty principle state?

• It is possible to determine the position and velocity of an electron simultaneously

• It is impossible to determine the position and velocity of an electron simultaneously

• It is possible to determine the position and velocity of a proton simultaneously

• It is impossible to determine the position and velocity of a neutron simultaneously

What are valence electrons?

• Electrons in the innermost energy level of the electron cloud

• Electrons in the outermost energy level of the electron cloud

• Protons in the nucleus

• Neutrons in the nucleus

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What is the octet rule?

• The tendency of atoms to prefer to have 6 valence electrons

• The tendency of atoms to prefer to have 8 valence electrons

• The tendency of atoms to prefer to have 10 valence electrons

• The tendency of atoms to prefer to have 4 valence electrons

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What are ions?

• Atoms or molecules with no charge

• Atoms or molecules that have a charge due to having lost or gained electrons

• Atoms or molecules that have gained protons

• Atoms or molecules that have lost neutrons

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What are Lewis structures?

• A complex way to represent an element and its protons

• A convenient and simple way to represent an element and its valence electrons

• A method to calculate the atomic mass of an element

• A way to determine the number of neutrons in an atom

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