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Which type of elements are found in Groups 1 and 2 of the periodic table?
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2. Atoms & Elements
Periodic Table: Group Names
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On the periodic table, where are elements with the most similar physical and chemical properties typically found grouped together?
A
In the diagonal across the table
B
In the same vertical column (group)
C
In the same horizontal row (period)
D
In the corners of the table
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Understand that the periodic table is arranged to reflect recurring trends in element properties, known as periodicity.
Recognize that elements in the same vertical column, called a group or family, have the same number of valence electrons, which largely determines their chemical behavior.
Note that because these elements share similar valence electron configurations, they exhibit similar physical and chemical properties.
Contrast this with elements in the same horizontal row (period), which have increasing atomic numbers and different valence electron configurations, leading to varying properties.
Therefore, elements with the most similar physical and chemical properties are typically found grouped together in the same vertical column (group) on the periodic table.
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