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In the periodic table, the vertical columns are known as what?
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4. Atoms and Elements
Periodic Table: Group Names
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In the periodic table, what best defines a “family” (group)?
A
A set of elements that all have the same atomic number
B
A collection of elements that are all metals regardless of their position in the table
C
A vertical column of elements with similar chemical properties due to the same number of valence electrons
D
A horizontal row of elements with similar chemical properties due to the same number of electron shells
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Understand that the periodic table is organized into rows and columns, where each arrangement reflects certain properties of the elements.
Recognize that a 'family' or 'group' in the periodic table refers to elements that share similar chemical properties.
Know that these similar properties arise because elements in the same family have the same number of valence electrons, which are the electrons in the outermost shell.
Identify that families are arranged vertically in columns on the periodic table, meaning elements in the same vertical column form a family.
Conclude that a family is best defined as a vertical column of elements with similar chemical properties due to having the same number of valence electrons.
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