They have the same number of valence electrons
Elements in the same column belong to the same family. The elements in the family also have the same number of valence electrons.
well its takes for ever to figure out
Location
They have the same valency. The atomic radius of elements increases by one as you go down the group. They also have the same properties
A column of elements in the periodic table is called a group or
Elements in the same column belong to the same family. The elements in the family also have the same number of valence electrons.
Mendeleev was the first to notice that properties of elements exist as a perdoic function of atomic mass
well its takes for ever to figure out
Some things people notice about rainbows are the different colors, size, its location, and where it appears to start and end.
Location
They have the same valency. The atomic radius of elements increases by one as you go down the group. They also have the same properties
tabs location :)
Early map makers noticed the location of volcanoes were located along plate boundaries.
It depends upon the location of the hair...
group 13, period 2
Contextual selectors
It tells you the atomic number, the number of protons, the density, its relations to other elements, and its characteristics.