QQuestionChemistry
QuestionChemistry
"Vertical columns on the periodic table are called ______
The elements in each column have ______"
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Answer
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Step 2: Identify the Terminology
The vertical columns on the periodic table are called "groups" or "families".
Final Answer
- Vertical columns on the periodic table are called "groups" or "families" - The elements in each column have similar chemical properties due to having the same number of valence electrons Key Insights: - Groups are numbered from 1 to 18 in the modern periodic table - Examples: - Group 1 (alkali metals): Li, Na, K all have 1 valence electron - Group 18 (noble gases): He, Ne, Ar all have full outer electron shells - Group 17 (halogens): F, Cl, Br all have 7 valence electrons
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