Electrons And The Periodic Table Worksheet Page 3
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44. Writing electron configurations for some of the elements
Write abbreviated electron configurations for the following elements. Use a periodic table to locate
the elements and determine the number of electrons. Finally, fill in the last column of the table.
For elements in the lanthanide or actinide series, write “lanthanide” or “actinide” instead of a
group number.
Element
Electron configuration (abbreviated form)
To which group
does this element
belong?
K
Rb
Mg
Ba
Tl
Ga
Pb
Sn
Mo
N
Sb
Pt
Se
Po
Br
Gd
Cl
Kr
U
Rn
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