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37 Cards in this Set

  • Front
  • Back
Tend to lend electrons
Metals
Tend to borrow electrsons
Nonmetals
Neither borrow or lend electrons
Noble Gases
When electrons move from ground state to excited state it
absorbs energy
When an electron moves from excited state to ground state it
emits energy
The release of energy is the bias for the
atomic spectrum
The two main parts of an atom
Nucleus and Energy level
Discrete radiant energy (unit of electromagentic radiation)
Photons
Spectra
Different colored lines
The Bhor model only worked for the
hydrogen atom
Uncertainty Principle
Impossible to know both the precise locatin and precise velocity of a subatomic particle at the same time
average distance of the orbital from its nucleus (n)
Principe Quantum Number
the closerthe enrgy level is to the nucleus the less
energy it has
shape of orbitals (s,p,d,f) # of possble shapes (l)
Angular Momentum Quantum Number
s
1 space oriented orbital
p
3 space oriented orbitals
d
5 space orientd orbitals
f
7 space oriented orbitas
In a given atom no 2 electrons can have the same set of 4
quantum numbers
each orbital can be filled with 2 electrons each with an
opposite spin
spin quantum number
ms
magnetic quantum number
ml
An eletron occupies the lowest orbital that can receive it
Aufbau Principle
After each orbital is filled with one electron pairing will occur with another electron
Hunds Rule
Horizontal rows are called
periods
veritcal columns are called
groups/families
atomic radii decreases
from left to right
atomic radii increases
down a group
electronegativity decreases
down a group
electronegativity increases
across a period
Atoms that have gained or lost electrons
Ions
Amount of energy it takes for an electron to be removed from its atom
Ionization energy
Ionization energy increases from
left to right
he lowst principle quantum number an electron can have is
2
sublevel that can be occupied by a maxium of 10 electrons
sublevel d
number of orbitals in the second principal energy level n=2 of an atom is
4
Inert atoms
unreactive atoms (noble gases)