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 ...
Each square in the table contains an element symbol of one or two letters, not the element name ... Periodic tables sometimes look different from each other. They can have different labels on the ...
In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, atomic weight and the broad group they live in. It's no mean feat, the best ...
In 1843, Leopold Gmelin worked with the Dobereiner’s system and developed a table of 55 elements that contained many of the similar relationships later found in the modern periodic table. Then in 1857 ...
Meyer was just four years older than Mendeleev, and produced several Periodic Tables between 1864-1870. His first table contained just 28 elements, organised by their valency (how many other atoms ...
There are repeating patterns in the properties of the elements, which give the periodic table its name. Elements with similar properties are arranged to form columns (groups). The periodic table ...
Group 7 of the periodic table is something of an oddity ... But this alleged element, given various names such as davyum, illenium, lucium and nipponium, turned out to be spurious.
Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out some of the most unusual periodic tables you’ve ever ...
Rutherfordium, the 104th element on the periodic ... get to name the new element. Historically, the discoverer of an element is afforded the right to name it, but when two groups have competing ...