Search:
Groups on Periodic Table on Google.
All chemical elements are placed in the perodic table of elements of Mendeleev.
If you are talking about groups or families, the left side consists of all metals
I think it was Mendaleev's periodic table.
Phosphorus
meercury , lead
Copper
check out an interesting periodic table at www.calculatoredge.com
There are 18 groups on the periodic table. These groups are columns that contain elements with similar properties due to their shared electron configurations. The groups are numbered 1 to 18, with the first two groups referred to as the "s-block" elements and the last six groups classified as the "p-block" elements.
J
Francium
Dmitri Mendeleev in 1869
check out this amazing Perodic table at www.calculatoredge.com