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The Periodic Table
The periodic table is a way to organize the elements that create the chemicals that form every physical thing in the world. Understand how the periodic table is organized with important facts from a science teacher in this free video on fundamental... More »
Difficulty: Moderate
Source: www.ehow.com

Periodic table - Wikipedia


The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number (number of protons), electron configurations, and recurring ...

Dynamic Periodic Table


Interactive periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, and compound search.

i know what the periodic table is but what does periodic mean ...


May 21, 2012 ... In general the word periodic describes something that happens at regular (or almost regular) periods. For example, sunrise is periodic because ...

Period (periodic table) - Wikipedia


A period is one of the horizontal rows in the periodic table, all of whose elements have the .... results are not very extensive, periodic and group trends in behaviour appear to be less well define...

What does periodic mean in the periodic table - Answers


Periodic means repeating. When Mendeleev was rearranging the elements, he noticed that some of their properties matched with one another about every.

Why is the periodic table called the periodic table? | Reference.com


The periodic table's name comes from the fact that it arranges the elements into repeating sets, otherwise known as "periods." These periods are defined by the ...

Why is the periodic table called the periodic table? - Quora


As early as the 1800s, following the ferver of element discovery that engrossed the 1700s, chemists began figuring out the atomic weights of the elements.

Chem4Kids.com: Elements & Periodic Table: Periodic Table


When you look at the periodic table, each row is called a period (Get it? Like PERIODic table.). All of the elements in a period have the same number of atomic  ...