# Structure of Atom

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Photoelectric effect
The photoelectric effect is the observation that many metals emit electrons when light shines upon them. Electrons emitted in this manner can be called photoelectrons. According to classical electromagnetic theory, this effect can be attributed to th
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De Broglie Equation
The de Broglie equation is an equation used to describe the wave properties of matter , specifically, the wave nature of the electron : λ = h/mv , where λ is wavelength, h is Planck's constant, m is the mass of a particle, moving at a velocity v.
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Heisenberg Uncertainty Principle
The uncertainty principle also called the Heisenberg Uncertainty Principle, or Indeterminacy Principle, articulated (1927) by the German physicist Werner Heisenberg, that the position and the velocity of an object cannot both be measured exactly, at
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Pauli Exclusion Principle
The Pauli exclusion principle is the quantum mechanical principle that says that two identical fermions (particles with half-integer spin) cannot occupy the same quantum state simultaneously.
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Aufbau Principle
The Aufbau principle (from the German Aufbau meaning "building up, construction": also Aufbau rule or building-up principle) is used to determine the electron configuration of an atom, molecule or ion.
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Hunds Rule
Hund's rule of maximum multiplicity is an observational rule which states that a greater total spin state usually makes the resulting atom more stable. Accordingly, it can be taken that if two or more orbitals of equal energy are available, electrons
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## Other cards in this set

### Card 2

#### Front

The de Broglie equation is an equation used to describe the wave properties of matter , specifically, the wave nature of the electron : λ = h/mv , where λ is wavelength, h is Planck's constant, m is the mass of a particle, moving at a velocity v.

#### Back

De Broglie Equation

### Card 3

#### Front

The uncertainty principle also called the Heisenberg Uncertainty Principle, or Indeterminacy Principle, articulated (1927) by the German physicist Werner Heisenberg, that the position and the velocity of an object cannot both be measured exactly, at

### Card 4

#### Front

The Pauli exclusion principle is the quantum mechanical principle that says that two identical fermions (particles with half-integer spin) cannot occupy the same quantum state simultaneously.

### Card 5

#### Front

The Aufbau principle (from the German Aufbau meaning "building up, construction": also Aufbau rule or building-up principle) is used to determine the electron configuration of an atom, molecule or ion.