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Which of the following is a key feature of the modern periodic table?
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2. Atoms & Elements
Periodic Table: Classifications
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In the periodic table, what are the rows called?
A
Periods
B
Groups
C
Blocks
D
Families
Guida verificata passo dopo passo1
Understand that the periodic table is organized in two main directions: horizontally and vertically.
The horizontal rows in the periodic table are called 'Periods'. Each period corresponds to the filling of a different electron shell.
The vertical columns are called 'Groups' or 'Families', which contain elements with similar chemical properties.
Blocks refer to sections of the periodic table based on the electron subshell being filled (s, p, d, f blocks).
Therefore, the correct term for the rows in the periodic table is 'Periods'.
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