Question

1. what is the periodic table of elements?

Explanation:

The Periodic Table of Elements is a tabular arrangement of chemical elements. It organizes elements based on their atomic number, electron configuration, and recurring chemical properties. Elements are placed in rows (periods) and columns (groups) to show trends in properties such as atomic radius, ionization energy, and electronegativity.

Answer:

The Periodic Table of Elements is a tabular arrangement of chemical elements organized by atomic number, electron configuration, and chemical properties, showing trends in properties across periods and groups.