Ws 13.6 Ionfornmtion
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1
2
3WS
13.6 IonFornmtion!
DO NOT
USE
THE NOBLE
GAS
ABBREVATION
FOR #I -4.
l.
Write
the
electron configurations
fbl
sodiurn
atonr and
chlorine
atom
Na
2.
\Vrite
the
electron configuration
for
a
sodium
ION
3.
Write
the
electron configuration
for
a
chloride
ION
5. Fill
out:
Electron conflguration
ofthe
atom
EC of the
ion
Mg
I
s2
2s2
2p6
3s2
F
I
s2
2s2
2ps
Which
noble
gas
has
this
EC?
Ion
Formula
e-
change
N
4.
Fill
this
out:
#
protons
# electrons
CI
sodium
atom
sodium ion
chlorine
atom
chloride ion
P
I
s2
2s2
2p6
3s2
3p3
o
I
s2
2s2 2p4
Br
6.
When
potassium
forms
an
ion,
it
acquires the
same
electron
configuration
as
the
noble
gas
Algon
Why
do we
still
call
it
potassium
instead
of
argon..
how is it
different from
an
argon
atom?
7. Valence electrons
are the
electrons
in
the
outermost shell
(n-level) of
the
atom.
They
are
generally
the
electrons
involved bonding: In
covalent
bonds, elements shale valence electrons.
Inionicbonding,elementsgainorloseelectronsinthevalenceshell.
Foreachelementonthisworksheet,underlinethevalence
electrons
in
the
electron
configuration,
and uote
below how many
valence
electrons
that
atom
has
NaCINeATMgFKPAIO
V
ìA
IIA
ìIIA
"..
ta+4^2bdok
Br
Pb
8a,
Fix
your
"fancy"
peliodic
table
so that the
"A"
and
"8"
columns
are the same
as
the
classroom
tables (ifyou
dicln't
already)
b.
For
the
"4"
colnmns, how
can
you
tell from
the
periodic table how many
valence electrons an atom
will
have?
c,
What
charge
of
ion usually forms,
for
elements
in
these
columns:
VIA
VII
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