Question

Define periodic table.​

Answer 1

Answer:

the table of the chemical elements arranged in order of automatic numbers ,usually in rows, so that elements with Similar automatic structure(enhance similar chemical properties appear in vertical column)

Explanation:

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Answer 2

Answer:

The periodic table is a tabular array of the chemical elements organized by atomi number, from the elements with the lowest atomic number, hydrogen, to the elements with the highest atomic number, oganesson. The atomic number of Protons in the nucleus of an atom of the elements.

Explanation:

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