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11 terms

Chapter 5- Electrons in Atoms

Chapter 5.1-5.2 stuff!
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True
True or False: Electrons must have a certain minimum amount of energy called a quantum in order to move from energy level to the next higher energy level?
Quantum
The amount of energy required to move an electron from its present energy level to the next higher one
Atomic Orbitals
The regions around the nucleus within which the electrons have the highest probability of being found
Energy Level
A region in space around the nucleus of an atom where an electron is likely to be moving
Quantum Mechanical
The modern description of the behavior of electrons in atoms
3
4p Sublevel: How many orbitals are in this sublevel?
5
3d Sublevel: How many orbitals are in this sublevel?
7
4f Sublevel: How many orbitals are in this sublevel?
Electron Configuration
The most stable arrangement of electrons around the nucleus of an atom
Aufbau Principle
Electrons enter orbitals of lowest energy first
Hund's Rule
When electrons occupy orbitals of equal energy, one electron enters each orbital until all the orbitals contain one electron with parallet spins.