객관식
An element described as having “halogen characteristics” most likely belongs to which group on the periodic table?
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4. Atoms and Elements
Periodic Table: Group Names
객관식
In the periodic table, astatine (At) belongs to which element group?
A
Alkaline earth metals (Group 2)
B
Halogens (Group 17)
C
Alkali metals (Group 1)
D
Noble gases (Group 18)
검증된 단계별 안내1
Understand that the periodic table is organized into groups (columns) that share similar chemical properties.
Recall that Group 1 elements are called Alkali metals, Group 2 are Alkaline earth metals, Group 17 are Halogens, and Group 18 are Noble gases.
Identify the element astatine (At) on the periodic table and note its position in Group 17.
Recognize that elements in Group 17 are known as Halogens, which are reactive nonmetals including fluorine, chlorine, bromine, iodine, and astatine.
Conclude that astatine belongs to the Halogens group (Group 17) based on its position and chemical properties.
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