Multiple Choice
Which two groups on the periodic table are considered the most reactive, and what is the primary reason for their high reactivity?
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2. Atoms & Elements
Periodic Table: Group Names
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Which group on the periodic table is known as the alkaline earth metals?
A
Group 18
B
Group 1
C
Group 2
D
Group 17
Verified step by step guidance1
Understand that the periodic table is divided into groups (columns) that share similar chemical properties.
Recall that Group 1 contains the alkali metals, which are very reactive metals like sodium and potassium.
Recognize that Group 18 contains the noble gases, which are inert and non-reactive gases like helium and neon.
Know that Group 17 contains the halogens, which are reactive nonmetals like chlorine and fluorine.
Identify that Group 2 is called the alkaline earth metals, which include elements like magnesium and calcium, characterized by their two valence electrons and metallic properties.
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