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Which statements about the structure of the periodic table are true?
The periodic table has an irregular shape because it has more periods than groups.
The inner transition elements are placed at the bottom of the periodic table for easy viewing.
The periodic table has horizontal groups and vertical periods, giving it a regular rectangle shape.
The distribution of electrons in energy levels is responsible for the shape of the periodic table.
Nonmetals take up more than half the area of the periodic table.

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GinnyAnswer

Final answer:

The periodic table's structure is defined by its columns (groups), rows (periods), and electron distribution.


Explanation:

The statements that are true about the structure of the periodic table are:

  1. The vertical columns are called groups or families.
  2. The horizontal rows are called periods.
  3. The distribution of electrons in energy levels dictates the shape of the periodic table.

Learn more about Periodic table structure here:

https://brainly.com/question/28730349


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