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Which of the following elements is the most reactive among the alkali metals?
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2. Atoms & Elements
Periodic Table: Group Names
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Which region of the periodic table contains the halogen family of elements?
A
Group 17 (VIIA)
B
Group 18 (VIIIA)
C
Group 2 (IIA)
D
Group 1 (IA)
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Recall that the periodic table is organized into groups (columns) and periods (rows), where elements in the same group share similar chemical properties.
Understand that the halogen family consists of elements known for their high reactivity and includes fluorine, chlorine, bromine, iodine, and astatine.
Identify that halogens are located in Group 17 of the periodic table, which is also labeled as Group VIIA in older notation.
Note that Group 18 (VIIIA) contains the noble gases, Group 2 (IIA) contains the alkaline earth metals, and Group 1 (IA) contains the alkali metals, so these groups do not contain halogens.
Therefore, the halogen family is found specifically in Group 17 (VIIA) of the periodic table.
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