Lecture 4 Flashcards

1
Q

what is a particle

A

hard ball of infinitesimally small volume

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2
Q

what properties does small matter show

A

both wave and particle properties

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3
Q

wave and particle properties = contradictory behavior. what is the behavior called?

A

wave-particle duality

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4
Q

compton effect

A

when an x-ray is applied to an electron at rest, the electron gains kinetic energy and the X-ray loses some radiant energy (the frequency of x-ray becomes less)

compton effect is the result of the particle nature of small matter

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5
Q

what is probability density

A

a region of space where a type of small matter (such as an electron is likely to be found (w/ 90% certainty)

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6
Q

what is degeneracy

A

a single energy level may have multiple atomic orbitals

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