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Chemistry (1)
Electron arrangement
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Cards (16)
Energy
Levels
1
2
3
4
Sublevel
s,
p
, d,
f
Bohr
Model
De
Broglie
-
wave particle duality
De
Broglie
Heisenberg
- It is impossible to measure at the same time both the
velocity
and the
position
of the electron
Orbital
Region of
space
around the
nucleus
where there is a high probability of finding an electron
Energy
Level
The fixed amount of
energy
which an
electron
can have in an atom
Sublevel
A subdivision of an
energy
level consisting of one or more orbitals of the same
energy
Anion
Negatively
charged atom that has
gained
electrons
Cation
Positively
charged atom that has
lost
electrons
Chromium
has a 3d5 4s1 electron configuration, filling the
d
sublevel
first
Copper
has a filled
d
sublevel
Aufbau
principle
When electrons are filling energy levels/ sublevels, they always occupy the
lowest
energy level
available
to them.
Hunds
rule of maximum multiplicity
States that when
2
or
more
orbitals of equal energy are available to an electron they fill them
singly
before
filling them in
pairs.
Pauli
's exclusion principle
States that when
2
or
more
electrons occupy an orbital, they have
opposite
magnetic
spin.
Wave-partical duality: electrons have some properties of particles and some properties of waves.
Orbit
: the
fixed path
one body takes around another.