Nitrogen on periodic table of the elements. Do you remember how many elements there are in the periodic table? Spoiler: it’s probably different than you remember if you went to school before 2010.

If it has 7 protons, that’s nitrogen. But the logic of the periodic table also relies upon the number and organisation of electrons in an atom. Let’s take chlorine as an example. It is ...

These are almost one-quarter of the periodic table and are mainly found in the ... carbon, hydrogen, nitrogen, phosphorus, sulphur, chlorine, potassium, sodium, calcium and magnesium.

Keeping up with the neighbours is rarely a concern in the periodic table. Nitrogen doesn't care much what carbon and oxygen are up to, and rarely casts covetous glances at phosphorous. But there's at ...

You interact with about two-thirds of the elements of the periodic table every day. Some, like carbon, oxygen, and nitrogen, make up our bodies and the air we breathe. Yet there is also a class of ...

Although metal ions are central to all of biochemistry, a group of elements clustered in the early part of the periodic table—carbon, nitrogen, oxygen and phosphorus—are highly represented in ...

Examples abound of rings that feature multiple nitrogen atoms—the lightest of the pnictogen elements. There are triazoles, ...

Eighty out of the first 82 elements in the periodic table have stable isotopes ... sinks and interactions in water, carbon and nitrogen cycles. Stable isotopes can also be used as tracers, which are ...

Then in 1869, a Russian scientist called Dmitri Mendeleev produced one of the first practical periodic tables. He wrote the properties of the elements on pieces of card and rearranged them until ...