What is a Periodic Table of Chemical Elements?

Regia Marinho
3 min readDec 14, 2021


It shows how elements are related to each other. Here is a basic guide.

The periodic table of chemical elements is possibly the most important tool in chemistry.

The periodic table is a chart that shows all atoms of the chemical elements that exist in the Universe that has been discovered so far.

The periodic table of elements was first published by Dmitri Mendeleev in 1869, but he wasn’t the first to attempt to organize the elements by atomic number.

Dmitri Mendeleev.

The Greek philosopher, Democritus, believed that all matter was composed of different combinations of a few basic substances called the “atoms”.

The periodic table of chemical elements is a chart that lists the known chemical elements. The periodic table groups elements together based on their chemical properties.

The periodic table of elements is organized by atomic number.

The atomic number is the number of protons found in the nucleus of an atom.

It’s equal to the number of protons plus the number of electrons.

There are 118 elements.

Updated 2021 Periodic Table makes it easier to see all 118 elements and how they correspond to all of the other elements … it’s never been easier.

The atomic number and symbol of an element are the same throughout the world, but the element’s name differs based on the language.

The periodic table of chemical elements is a result of a lot of research.

Scientists have spent thousands of years trying to understand how and why chemical elements exist.

Why is the periodic table of elements important?

The periodic table of elements is the basis for the science of chemistry. It explains how elements combine and react.

What is an element?

An element is something made of atoms. To understand what an element is, we need to understand atoms.



Regia Marinho

I write about ideas, technology, the future and inspire the world through art. Artist. Civil engineer. https://regiaart.com