Groups in the periodic table can be described as:

- Vertical columns of elements with similar physical properties.
- Horizontal rows of elements that show the shift of traits between metals and nonmetals.
- The three main categories of all elements: metals, nonmetals, and metalloids.
- Large "blocks" in the periodic table that are colored the same.

Groups in the periodic table can be described as vertical columns of elements with similar physical properties and is denoted as option A.

What is a Periodic table?

This refers to a table which contains chemical elements which are arranged in order of atomic number.

Groups in the periodic table can be described as vertical columns of elements with similar physical properties while a period is a horizontal row of chemical elements which have the same number of electron shells.

There are seven periods and eighteen groups in the periodic table and they are grouped according to the properties mentioned above.

This is therefore the reason why option A was chosen as the most appropriate choice.

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