News

The Quick Periodic Table of the Elements app gives users ... The first color-codes based on metals, nonmetals and metalloids; the second is grouped by valence electron configuration; and the ...
There are some exceptions though. For example, mercury is a liquid at room temperature. The metals in Group 1, such as lithium, sodium and potassium, are all soft. Many non-metals have low melting ...
Click to legibilize. A periodic table showing where the discoveries of the different elements were carried out. Photo: Jamie Gallagher In this wonderful riff on the periodic table, science ...
This article concludes here with all the relevant information taken from NCERT and other authorised sources on the periodic table of chemistry. For more related information, check out the official ...
Discover the history, structure, and importance of the periodic table of elements ... separating them into metals and nonmetals or grouping them by an element's number of valence electrons ...
AS A HARD, shiny, and tough-to-melt bunch, metals are desirable as jewelry ... tour of some of the most extreme substances on the periodic table. Densest: Osmium Element No. 76 is the heavyweight ...
For example, Group 1 elements, known as alkali metals (e.g., lithium, sodium), have one valence electron and share similar reactivity and characteristics. Understanding the periodic table helps us ...
The subgroups within the metals are based on the similar characteristics and chemical properties of these collections. Our description of the periodic table uses commonly accepted groupings of ...
Some alkali metals have been known and put to good use long before Mendeleev created the periodic table. For instance, the Old Testament mentions salt – a combination of the alkali metal sodium ...
A new version of the periodic table showcases the predicted properties of 2-D metals, an obscure class of synthetic materials. Arrayed in 1-atom-thick sheets, most of these 2-D metals have yet to ...
Calcium is found on the left of the periodic table, surrounded by other metals. Calcium has the usual properties of a metal. For example it is a good conductor of heat and electricity. Gethin ...