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Which term is used to refer to the columns on the periodic table?
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2. Atoms & Elements
Periodic Table: Group Names
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Which region of the periodic table contains the alkaline earth metal family of elements?
A
Group 18
B
Group 1
C
Group 2
D
Group 17
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Understand that the periodic table is organized into groups (columns) and periods (rows), where elements in the same group share similar chemical properties.
Recall that the alkaline earth metals are a specific family of elements known for having two electrons in their outermost shell, which influences their chemical behavior.
Identify that Group 1 contains the alkali metals, which have one electron in their outer shell, so they are not the alkaline earth metals.
Recognize that Group 2 contains elements with two valence electrons, which corresponds to the alkaline earth metals family.
Note that Group 17 contains halogens and Group 18 contains noble gases, so neither of these groups corresponds to alkaline earth metals.
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