Question

How is the modern periodic table divided into various rows and columns and what are they called?​

Answer 1

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Que. How is the modern periodic table divided into various rows and columns and what are they called?

Ans. The elements are arranged in seven horizontal rows, called periods or series, and 18 vertical columns, called groups. Groups are labeled at the top of each column.

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Answer 2

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How is the modern periodic table divided into various rows and columns and what are they called?​

$ANSWER:$

In the periodic table of elements, there are seven horizontal rows of elements. Each of these rows are called periods. The vertical columns of elements are called groups, or families. The most common way the periodic table is classified is by metals, nonmetals, and metalloids.

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