Electron Configuration Worksheet Chart Page 2
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1
21
10
d. [Ar]4s
3d
2
3
e. [He]2s
2p
3) Write the electron configurations for the following atoms/ions.
a. P
+
b. Cu
2+
c. Sn
d. Fe
e. Osmium
f. Iodide ion
+
g. Na
h. Nd
i. Sr
j. Fluoride ion
k. Beryllium
l. Si
4) Using core notation, write the electron configurations for the following atoms and ions.
a. K
2-
b. O
c. Cr
d. V
e. Tellurium
f. Xe
-
g. Cl
2+
h. Zn
5) How many valence electrons are in each of the atoms/ions from #4?
a. K
e. Tellurium
2-
b. O
f. Xe
-
c. Cr
g. Cl
2+
d. V
h. Zn
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