Quantum Theory Flashcards
What is blackbody radiation?
What occurs when you heat matter
What is Planck’s Constant?
6.626x10^-34
The smallest amount of _____ that can be _____ or ______ out at a given ______ is called a _____ of energy
energy, absorbed, given, frequency, quantum
What is the equation for the Photoelectric Effect?
hf=w + 1/2mv^2
What is used to observe light from an excited source?
spectroscope
The Energy Level Postulate states: an ____ can only have specific ____ values in an _____, called energy _____. Thus an _____ can only have certain specific total ____ values.
electron, energy, atom, levels, atom, energy
The Energy Level Postulate is derived from the follow equation:
En = -RhcZ^2/n^2 or -2.178x10^-18 Z^2/n^2
The Transition Postulate States: an ____ can change ___ only when it jumps from one energy ___ to ____.
electron, energy, level, another (E[final] - E[initial])
The normal state of an atom is referred to as….
Ground State
2.178x10^-18 is equivalent to how many kJ per 1 mole of atoms?
1310 kJ/mole
What does de Broglie’s equation of particles, p=mv with p=h/wavelength, mean?
An object of mass (m) and traveling at a velocity (v) will have an associated wavelength by the given equation
The energy of an electron depends mainly on the value of what quantum number?
n
N is defined as the ____ Quantum Number
Prinicpal
What quantum number distinguishes between orbitals of a given _ having different shapes?
n, Angular Momentum Quantum Number (L)
What quantum number distinguishes orbitals of a given _ but having a different orientation in space?
n, Magnetic Quantum Number(ML)