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Multiple Choice
In the periodic table, what are the vertical columns called?
A
Groups (also called families)
B
Isotopes
C
Periods
D
Orbitals
Verified step by step guidance
1
Understand that the periodic table is organized in two main directions: horizontally and vertically.
Recognize that the horizontal rows in the periodic table are called 'Periods'.
Know that the vertical columns in the periodic table are called 'Groups' or 'Families'.
Recall that 'Isotopes' refer to atoms of the same element with different numbers of neutrons, not related to the table's layout.
Remember that 'Orbitals' describe regions where electrons are likely to be found, which is a concept in atomic structure, not the periodic table arrangement.