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