Multiple Choice
Which pair of elements would likely have similar valency and thus similar chemical behavior?
2. Atoms & Elements
Periodic Table: Group Names
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Which group on the periodic table contains the alkaline earth metals?
A
Group 17
B
Group 1
C
Group 2
D
Group 18
Verified step by step guidance1
Recall that the periodic table is organized into groups (columns) numbered from 1 to 18, each containing elements with similar chemical properties.
Understand that alkaline earth metals are a specific family of elements characterized by 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 alkaline earth metals.
Recognize that Group 17 contains the halogens, which are nonmetals with seven electrons in their outer shell, so they are not alkaline earth metals.
Conclude that Group 2 contains the alkaline earth metals, as these elements have two valence electrons and share similar properties such as forming +2 cations.
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