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4.2 and 4.3 review


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how many quantum numbers are used to describe the energy state of electron in an atom
a spherical electron cloud surrounding an atomic nucleus would best represent
an s orbital
the letter designations for the first four orbital quantum numbers with the number of electrons per orbital at each sublevel are
s:2 p:6 d:10
the number of possble orbital shapes for the third energy leve is
the maximum number of electrons that can occupy the s orbitals at each energy level is
2 if they have opposite spins
the spin quantum number indicates the number of possible orientations for an electron in an orbital is
the values +1/2 and -1/2 specigy an electron's
possible orientation in an orbital
When n reperestns the principal quantum number of an energy levle, the number of electrons per energy level is
at n=1, the total number of electrons that could be found is
the quantum number that indicates the position of an orbital about the three axes in space is the ___ quantum number
the ______ orbitals are dumbbell shaped and directed along the X, Y, and Z axes
the number of diccerent sublevels within each energy level of an atom is equal to the value of the ______ quantum number
there are ___ orbitals for the d sublevel
____ electrons are needed to completely fill the fourth energy level
a particular main energy level can hold 18 electrons. in this case n equals
the corrct sequence in ascending energies of atomic sublevels is
5s, 4d, 5p, and 6s
the statement that an electron occupies the lowest energy orbital than can receive it is
the Aufbau principle
in the correct electron-dot notation for the phosphorous atom (15) the symrbol p is surrounded bny
one pair of dots and three singles
the electron configuration notation for scandium 21 would show the three highest energy electrons to have the notation
the element with the electron configuration notation 1s2 2s2 2p6 3s2 3p2 is
the atomic sublevel with the next highest energy after 4 p is
orbitals of equal energy are each occupied by one electron before any one orbital is occupied by a second electron an dall electrons in a sinly occupied orbital must have the same spin
hunds rule
the number of electrons in the highest energy level of the argon atom is
an element with eight electrons in its outer most main energy level is called an
noble gas

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