It was named by Russian chemist Dmitri Mendeleev in 1869, in memory of his then recently-deceased colleague and clandestine "gentleman friend", Benjamin D. Periodic.
Ba. You'll find this in your copy of the periodic table of the elements.
Potassium is the alkali in period four of the periodic table. Its symbol is K.
Hydrogen! :)
Group 7 in the periodic table is also known as the halogens.
Hydrogen
who introduced the first Periodic Table
Women
The element abbreviated with As on the periodic table is Arsenic
Ba. You'll find this in your copy of the periodic table of the elements.
mendeleev and others proposed the zero group
A row on the periodic table is called a period.
It is named The PERIODIC TABLE. The periods being the horizontal rows The groups being the vertical columns.
The Periodic Table.
Periodic table!
Potassium is the alkali in period four of the periodic table. Its symbol is K.
Carbon's name is C on periodic table. It belongs to group no. 14.
Another name for a group on the Periodic Table is a column.