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NAME
DATE
_
PERIOD
_
Chapter 5: Electron Configuration
Practice
d'JJlb 'I., ~ 55 I
6.
7.
"q~cl
Write the abbreviated ground state electron confipurations
(
a. Helium Can I..Jq
I
b.
Nitrogen
I
c.
Chlorine
I
d.
Iron
I
e.
Zinc
fAr J
,
c.
4$ t. ?d
structures for atoms of the following
v())en(~ e
pis.
0
•
TJ
~
Xenon
f valen{~ c "
}g
elements:
• ftlrJ •
vD.l-ence «:
Thallium
J
using noble gas notation:
---
Magnesium
2
b.
for the following
/~2-
-.C4r~:J=----~+~!L-~---=?:......:J=-=------JD-----~-------
Draw the electron-dot
a.
3
be 66rev
[t/&J Zs2. 20"5
[AJeJ'-------"?:....><S'_""2.-..:...2-t.l'!'-S-
•••
: X~ •
II
••
_
8.
t~Y
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
t? e -
rs --:::,A-Iumin
A-!vm/c:#
9.
A /:::?
structure?
~ /5 p-l- ~ a.forrr,'c jt
Write out tin's abbreviated
to draw tin's electron-dot
va l7!?h t-e
•
(41)
rn
e-
ground state electron configuration
using noble gas notation and then use it
structure.
10. Which ground state elements Gorrespond to the following electron configurations?
I
a.
[Rn] Sf146d37s2
I
b.
[Ne] 3s23p4 ~S::..!<uk..!/.....!..ht.!a..!...Y
f
c.
[Xe] 4f14Sd66s2
--IfJ£...!<:u~h:..:n:..:...!.../.!Cf).:..!:n,..:..L...
_
_
~(S=9-..Lm~J...::.'U-,-/YJ--<-
_
11. For each of the following write the ground state electron configuration,
configuration
a.
b.
Beryllium (Be)
i.
Ground state configuration:
ii.
Abbreviated
iii.
Orbital notation:
configu ration:
r
-z.
J __
--I._-",~
2<' -z.
-"",C>
_
---'=-fl••...
He'-==.J===-_2_~"'--2.
1t-
1&
I~·
2s
_
Nitrogen (N)
i.
Ground state configuration:
ii.
Abbreviated
iii.
Orbital notation:
configuration:
2 ,,..
S
2,.... ~
)< "2..
_!...:;:)~......<..._=~~_~,....r~,-_--'O=-!-It!....:l.<Cd::....::J""""--'2""'-'-'s_-c..__
t...,p~]
Ground state configuration:
/[;"2. 2s
rJl_
ii.
Abbreviated
configuration:
iii.
Orbital notation:
_
I
2p
Calcium (Ca)
i.
_
LL2
2s
)S
16 p+s.
ground state
using noble gas notation, and also the orbital notation:
1/t
c.
the abbreviated
"l.
20
U "'2.-1
-L..LfL~~O!!..-._J..L...>;~'---
t,
]S; 2..
?o to lJs '2
"r=:'
_