~G.Y-O/)DS
NAME
~
_
DATE
PERIOD
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Chapter 5 Sec. 3: Electron Configurations Worksheet
1.
What is the aufbau principle?
SMe~ fho,+efALA
-elec,.froh
2.
What is the Pauli exclusion principle?
3.
What is Hund's rule?
c;cct{f'es
h-l-
~'11
.
•:
tfJ:r.'
",,;H. f h..e s» "'e Sp'" m u.r+
e
-re ti.drf,'-l
I fJe ck:» ~
a =e
4=>'1'\ S
I'(}
CaYl
Of',
+h-e
occuPy
StlfYle
()f~/+C(
4.
Which electrons determine
5.
Write the complete ground state electron configurations
7.
Lithium
b.
Oxygen
c.
Rubidium
Nitrogen
b.
Chlorine
c.
Zinc
tV'
PY e,q c ~
f
o
1p r I e
OC c
'"
I
0
"
for the following:
_
_
_
Write the abbreviated
a.
h.
S
)
Clvtl.l'tatle.,.
the chemical properties of an element? How are they defined?
--,-I s=---"2._2""-,,,s~'
a.
ground state electron configurations
for the following
using noble gas notation:
Ole] 1s'Z- 2 f;~
_
_
Draw the electron-dot
a.
structures for atoms of the following
elements:
Magnesium
2
8.
I 1/
C)-f'tJtf-a
-11."
pTzt.'
6.
Io o e sr:
_J
ene7JY
t'
b.
Thallium
c.
Xenon
v.e:
An atom of an element has a total of 13 electrons. What is the element, and how many electrons are
shown in its electron-dot
structure?
9.
Write out tin's abbreviated
to draw tin's electron-dot
ground state electron configuration
using noble gas notation and then use it
structure.
•
• SVl •
•
10. Which ground state elements correspond to the following electron configurations?
a.
[Rn) Sf146d37s2 --cD,.L-<..1uf-'b«..t1~. ...L1-'<·u...,t?1'-'-'-
b.
[Ne]3s23p4
_
c.
[Xe] 4f14Sd66s2
_
_
11. For each of the following write the ground state electron configuration,
the abbreviated
electron configuration using noble gas notation, and also the orbital notation/diagram:
a. Beryllium (Be)
b.
c.
12.
i.
Ground state configuration:
ii.
Abbreviated
iii.
Orbital notation/diagram:
ground state
}s'Z2s-z.
-...!....!.L...------!::::....>::'----_-:::--
_
co nfiguratio n: ---'O-.;.~-'-G
•.•..••
J"""-~_=_b"__1-
_
Nitrogen (N)
i.
Ground state configuration:
ii.
Abbreviated
iii.
Orbital notation/diagram:
_
configuration:
_
Calcium (Ca)
i.
Ground state configuration:
ii.
Abbreviated
iii.
Orbital notation/diagram:
_
configuration:
Multiple Choice Which electron configuration
_
notation describes an atom in an excited state?
a.
[Ar]4s23d104p2
c.
[KrjSs24d1
b.
[Ne]3s23pS
d.
[Ar]4s23d84pl