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41 Cards in this Set
- Front
- Back
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Pauli exclusion principle
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No two electrons ina n atom can have the same four quantum numbers.
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General Energy Ordering of Orbitals for Multielectron Atoms
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1s, 2s, 2p, 3s, 3p, 3d, 4s, 4p, 4d, 4f, 5s, 5p, 5d, 5f, 6s, 6p, 6d, 7s, 7p
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what is the max number of electrons an orbital can hold
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two electrons
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The s sublevel has only __ orbitalss and can there fore hold only __ electrons
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one, two
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The p sublevel has only __ orbitals and can therefore hold only ____ electrons
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three, six
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The d sublevel has only __ orbitals and can therefore hold only ___ electrons
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five, ten
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The f sublevel has only ___ orbitals and can therefore hold only ____ electrons
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seven, fourteen
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Valence Electrons
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the outer most principal energy level
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location of Alkali metals
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1A on the periodic table
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Location of Alkaline earth metals
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2A on the periodic table
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Location of Halogens
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7A on the periodic table
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Alkali metals have ___ valence electrons and tend to ___ electrons in reactions
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one, lose
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Alakaline Earth Metals have ___ valence electrons and tend to ____ electrons in reactions
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two, lose
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Halogens have __ valence electrons and tend to _____ in reactions
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seven, gain one electron
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nonmetals bonding atomic radius or covalent radius is
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one half the distance between two fo the atoms bonded together
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metals boning atomic radius or covalent radius is
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one half the distance between teh two of the atoms next to each other in a crystal of the metal
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As you move down a column in a periodic table the atomic radius
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increases
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As you move to the right across a period or row of the periodic table the atomic radius
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decreases
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Core electrons efficiently shiled electrons...
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in the outermost principal energy level form nuclear charge, but outermost electrons do not efficiently shield one another from nuclear charge
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As yo move down a column in the periodic table quantum number (n) of the electrons in teh outermost principal energy level
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increasesresulting in larger orbitals and therefore larger atomic radii
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As you move to the right across a row in the periodic table, the effective nuclear charege (Zeff) experienced by the electrons in teh outermost principal energy level
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increases, resulting in a stronger attraction between teh otuermost electorns and hte nucleus and therefore smaller atomic radii
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Cations are much ____ than their corresponding atom
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smaller
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Anions are much ___ than their corresponding atom
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larger
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cations are in columns __A __A __A anions are in columns __A __A
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1,2,3, and 6,7
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Ionized energy generally ___ as you move down a column because electrons in teh otuermost principal level become farther away from the positively charged nucleus and are therefore held ___ tightly
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decreases, less
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Ionized energy generally ___ as you move to the right across a period in a periodic tble because electrons in teh outermost principal energy level generally experience a ____ effective negative charge (Zegg)
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increase, greater
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As you move to the right across a period in the periodic table, metallic character
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decreases
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As you move down a column in the periodic metallic character
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increases
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The most active metals
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Alkali metals
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the most active nonmetals
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halogens
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planack's number symbol
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h
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h
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6.63x10-34 J.s
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speed of light symbol
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c
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c
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3.00x10 8
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Rh
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2.18x10-18
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mass of a neutron
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1.675x10-30g
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mass of a proton
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1.673x10-30g
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mass of a electron
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9.11x10-34g
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energy of a photon is equal to
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hxc/wavelength
or Rn/n2 |
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wavelength is equal to
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hxc/energy of a photon
or c/frequency or h/mass velocity |
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frequency is equal to
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c/wavelength
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