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Multiple Choice
How are elements arranged into chemical families on the periodic table?
A
By grouping elements with similar chemical properties in the same vertical columns (groups)
B
By organizing elements based on their physical state at room temperature
C
By arranging elements in order of increasing atomic mass
D
By placing elements with the same number of neutrons together
Verified step by step guidance
1
Understand that the periodic table is organized to reflect patterns in element properties.
Recognize that elements in the same vertical column, called groups or families, share similar chemical properties because they have the same number of valence electrons.
Note that the horizontal rows are called periods and represent increasing atomic number, not atomic mass.
Identify that physical state at room temperature and number of neutrons are not the primary criteria for grouping elements in the periodic table.
Conclude that elements are arranged into chemical families by grouping those with similar chemical properties in the same vertical columns (groups).