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Chem test 2

QuestionAnswer
Erwin Schrodinger atomic orbitals as electron clouds not set orbits
Aufbau principle electrons fill lowest energy level first then move up to higher energy levels
Pauli Principle only 2 electrons can occupy a single atomic orbital
Hunds rule electrons will spread out and fill the empty orbitals before they double up
Mendeleev ordered based off of Atomic weight
Moseley ordered based off of Atomic number
reason 2 why Atomic size gets bigger as you go down increase shielding by core electrons, valence electrons aren't being g pulled as tightly b/c Inner electrons shield the outer electrons from the full positive charge of the nucleus
Atomic Size - period ( row) trend - gets smaller as you go right increase nuclear charge and increased protons to electron attraction
Created by: user-1872173
 

 



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