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Multiple Choice
Which group of elements on the periodic table have the most similar chemical properties?
A
Elements with consecutive atomic numbers
B
Elements in the same group (vertical column)
C
Elements in the same period (horizontal row)
D
Elements with similar atomic masses
Verified step by step guidance
1
Understand that the periodic table is arranged in rows called periods (horizontal) and columns called groups (vertical).
Recall that elements in the same group have the same number of valence electrons, which largely determines their chemical properties.
Recognize that elements with consecutive atomic numbers are neighbors but can have very different properties because their electron configurations change significantly.
Note that elements in the same period have the same number of electron shells but different numbers of valence electrons, leading to varying chemical behaviors.
Conclude that elements in the same group (vertical column) have the most similar chemical properties due to their similar valence electron configurations.