an electron change an electron change when the electron when the electron moves closer to the moves closer to the nucleus? nucleus? a. a. It decreases. It decreases. c. It stays the c. It stays the same. same. b. b. It increases. It increases. d. d. It doubles. It doubles.
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How does the energy of an How does the energy of an electron change when the electron change when the
electron moves closer to the electron moves closer to the nucleus?nucleus?
a.a. It decreases.It decreases.c. It stays the same.c. It stays the same.
b.b. It increases.It increases.d.d. It doubles.It doubles.
The principal quantum number indicates what property of an electron?
a.positionc. energy levelb.speedd. electron cloud shape
What is the shape of the 3p atomic orbital?
a.spherec. barb.Dumbbelld. two perpendicular dumbbells
How many energy sublevels are How many energy sublevels are in the second principal energy in the second principal energy
level?level?
a.a. 11 c.c. 33b.b. 22 d.d. 44
What is the maximum number of What is the maximum number of ff orbitals in any single energy level orbitals in any single energy level
in an atom?in an atom?
a.a. 11 c.c. 55b.b. 33 d.d. 77
What is the maximum number of What is the maximum number of dd orbitals in a principal energy orbitals in a principal energy
level?level?
a.a. 11 c.c. 33b.b. 22 d.d. 55
What is the maximum number of What is the maximum number of orbitals in the orbitals in the pp sublevel? sublevel?
a.a. 22 c.c. 44b.b. 33 d.d. 55
What is the maximum number of What is the maximum number of electrons in the second principal electrons in the second principal
energy level?energy level?
a.a. 22 c.c. 1818b.b. 88 d.d. 3232
When an electron moves from a When an electron moves from a lower to a higher energy level, the lower to a higher energy level, the
electron ____.electron ____.
a.a. always doubles its energyalways doubles its energyb.b. absorbs a continuously variable absorbs a continuously variable
amount of energyamount of energyc.c. absorbs a quantum of energyabsorbs a quantum of energy
d.d. moves closer to the nucleusmoves closer to the nucleus
The shape (not the size) of an The shape (not the size) of an electron cloud is determined by electron cloud is determined by
the electron's ____.the electron's ____.a.a. energy sublevelenergy sublevel
c.c. speedspeedb.b. positionposition
d.d. principal quantum numberprincipal quantum number
The letter "The letter "pp" in the symbol 4" in the symbol 4pp indicates the ____.indicates the ____.
spin of an electronspin of an electron c.c.principle energy levelprinciple energy level
orbital shapeorbital shapespeed of an electronspeed of an electron
What types of atomic orbitals are What types of atomic orbitals are in the third principal energy level?in the third principal energy level?
a.a. ss and and pp only onlyc.c. s, p, s, p, and and dd only only
b.b. pp and and dd only onlyd.d. s, p, d, s, p, d, and and ff
According to the aufbau principle, According to the aufbau principle, ____.____.
a.a. an orbital may be occupied by an orbital may be occupied by only two electronsonly two electrons
b.b. electrons in the same orbital must electrons in the same orbital must have opposite spinshave opposite spins
c.c. electrons enter orbitals of highest electrons enter orbitals of highest energy firstenergy first
d.d. electrons enter orbitals of lowest electrons enter orbitals of lowest energy firstenergy first
What is the number of electrons in What is the number of electrons in the outermost energy level of an the outermost energy level of an
If three electrons are available to fill If three electrons are available to fill three empty 2three empty 2pp atomic orbitals, how atomic orbitals, how
will the electrons be distributed in the will the electrons be distributed in the three orbitals?three orbitals?
a.a. one electron in each orbitalone electron in each orbitalb.b. two electrons in one orbital, one two electrons in one orbital, one
in another, none in the thirdin another, none in the thirdc.c. three in one orbital, none in the three in one orbital, none in the
other twoother twod.d. Three electrons cannot fill three Three electrons cannot fill three