Multiple Choice
In the periodic table, Group 17 elements are the halogens. Which element is the most reactive (most active) halogen?
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4. Atoms and Elements
Periodic Table: Group Names
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In the periodic table, the vertical columns are known as what?
A
Isotopes
B
Groups (also called families)
C
Orbitals
D
Periods
Verified step by step guidance1
Understand that the periodic table is organized in two main directions: vertical columns and horizontal rows.
Recall that the horizontal rows in the periodic table are called 'Periods'.
Recognize that the vertical columns in the periodic table are called 'Groups' or 'Families'.
Note that 'Isotopes' refer to atoms of the same element with different numbers of neutrons, which is unrelated to the table's layout.
Also, 'Orbitals' describe regions where electrons are likely to be found, not a classification of the periodic table's columns or rows.
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