QQuestion
Question
A horizontal row on the periodic table is known as a _____.
A. group
B. family
C. period
D. list
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Answer
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Step 1:I'll solve this problem step by step, following the specified formatting guidelines:
Step 2:: Understand the Terminology
In the periodic table, elements are organized in a specific arrangement. Let's review the key organizational terms: - Groups (or families) are vertical columns of elements - Periods are horizontal rows of elements
Step 3:: Analyze the Terminology
- A horizontal row contains elements with the same number of electron shells - These rows are systematically arranged from left to right - Each row represents a different energy level of electron configuration
Final Answer
Explanation: A period is a horizontal row in the periodic table, containing elements that have the same number of electron shells. Each period represents a new energy level for electrons, with elements in the same period having different chemical properties but similar electron configurations.
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