The Periodic Table Review Worksheet With Answers Page 2
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1
2
3
4Give at least one chemical symbol for each category:
Too many answers to display them all.
Transition metals:
Alkali metals:
Halogens:
Alkaline earth metals:
Noble gases:
Metalloids:
Give the elemental symbols of the third period.
Na, Mg, Al, Si, P, S, Cl, Ar
Give the elemental symbols of the second group.
Be, Mg, Ca, Sr, Ba, Ra
Write the ions for the elements below and tell how many electrons they have gained or
lost.
Mg
S
Li
N
Mg
2+
S
2-
Li
+
N
3-
Lost 2 electrons
Gained 2 electrons
Lost 1 electron
Gained 3 electrons
Give the amount of electron shells for each element.
C
Ar
Ba
Fe
2
3
6
4
Write in the amount of valence electrons for each element.
F
Li
B
O
7
1
3
6
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