The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...
Mrs Roberts: Well, elements that have similar properties to each other are put into vertical columns called groups. Now, the table is called the periodic table because the elements with similar ...
Of particular interest is the naming of element 118. Because element 118 falls within group 18 of the periodic table, it is a noble gas, with a particular naming pattern. each of the elements in ...
Gethin: And today we're going to be looking at the periodic table. Let's take a look at some Group 1 metals then - also known as alkaline metals. Fran: Group 1 elements are called the alkali metals.
In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, ...
The present paper deals with the question how `finite' can here be relaxed to `locally finite', `of finite exponent', or `periodic'. An example shows that two locally finite groups of finite exponent, ...
This is the second part of a three-part series written by Carolyn Krause. Many of the elements were synthesized using an Oak ...
This year marks the 150th anniversary of the publication of Mendeleev’s Periodic Table of Chemical Elements in 1869. In celebration, the United Nations Educational, Scientific, and Cultural ...