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The Periodic Table of Elements
Dmitri Mendeleev generally is credited with the creation of the first periodic table, which charts the chemical elements by atomic number and valence shell electron configuration.
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Periodic table - Wikipedia

en.wikipedia.org/wiki/Periodic_table

The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic ... The periodic table can be used to derive relationships between the properties of the elements, and p...

Why Is the Periodic Table Important? - Chemistry - About.com

chemistry.about.com/od/periodictableelements/fl/Why-Is-the-Periodic-Table-Important.htm

Learn why the periodic is important and how it is used as a vital tool in chemistry.

How to Use - Periodic Table of Elements: Los Alamos National ...

periodic.lanl.gov/use.shtml

How to use the Periodic Table. When you open any file of an element in the periodic table, you will find a small table ... These symbols are used internationally.

The Importance of a Periodic Table | Sciencing - Synonym

classroom.synonym.com/importance-periodic-table-2475.html

The periodic table can be used to identify the matter already discovered by mankind. However, if new matter is discovered, then the atomic structure of the new ...

Helium - Element information, properties and uses | Periodic Table

www.rsc.org/periodic-table/element/2/helium

Element Helium (He), Group 18, Atomic Number 2, s-block, Mass 4.003. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

What Are All The Elements In The Periodic Table Actually Used For ...

www.iflscience.com/chemistry/what-are-all-the-elements-in-the-periodic-table-actually-used-for/

Oct 11, 2016 ... There are 118 elements in the periodic table. Everybody knows calcium is the stuff in milk and bones, chlorine goes into swimming pools, and ...

Why is the periodic table a useful tool? | Socratic

socratic.org/questions/why-is-the-periodic-table-a-useful-tool

The periodic table is a useful tool because it arranges all the elements in an organized and informative manner. > The periodic table arranges the elements into ...

The Periodic Table - Fact Monster

www.factmonster.com/ipka/A0905215.html

Today, the periodic table organizes the elements in horizontal rows, or periods, by order of increasing atomic number, which equals the number of protons in the  ...

BBC - Standard Grade Bitesize Chemistry - Periodic table : Revision

www.bbc.co.uk/bitesize/standard/chemistry/elementsandreactions/periodic/revision/1/

A BBC Bitesize secondary school revision resource for Standard Grade Chemistry on the periodic table: how elements are arranged, groups of elements.