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In the periodic table, what is a horizontal row called?
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4. Atoms and Elements
Periodic Table: Group Names
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In the periodic table, the vertical columns are called what?
A
Rows
B
Blocks
C
Groups (also called families)
D
Periods
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Understand that the periodic table is organized in two main directions: vertically and horizontally.
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'.
Know that 'Blocks' refer to sections of the periodic table based on electron configurations, not columns or rows.
Therefore, the vertical columns are called 'Groups' (also known as families), which share similar chemical properties.
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