Nitrogen
The 7th chemical element of the Periodic Table is Nitrogen, with the Symbol N.
The seventh most abundent element is potassium.
All elements in period seven (VII) (= 7th row) of the periodic table
The seventh element on the periodic table is Nitrogen, with the symbol N and atomic number 7. It is a non-metal that is essential for all living organisms and is commonly found in the Earth's atmosphere.
It's Nitrogen.
Nitrogen is the 7th element in the Periodic Table. It has 7 electrons and protons.
Nitrogen
5th element - boron 6th element - carbon 7th element - nitrogen 8th element - oxygen 9th element - fluorine 10th element - neon
it was found in 1896. you can not find them on the periodic table. you may find some, but often some are.
These elements are called Halogens. Cl,Br,I,F belongs to this group.
The halogens group is a group of nonmetal elements in the periodic table that includes fluorine, chlorine, bromine, iodine, and astatine. These elements are highly reactive and can form salts by gaining one electron to achieve a full outer shell. They are located in Group 17 of the periodic table.
Promethium belongs in the 7th family. The 7th family is The Lanthanide family.