Question

The periodic table is a chart that uses

Answer 1

Explanation:

The periodic table presents an orderly arrangement of elements based on their atomic numbers.

The modern periodic table is established on the periodic law which states that "the properties of elements are a periodic function of their atomic number".

On the table, elements having the same number of electrons in the outermost  shell of their atoms are placed over one another in the vertical column. Each vertical column is known as group and the horizontal column is known as period.

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Periodic table brainly.com/question/2014634

Regions of the table brainly.com/question/2014634

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