They are all metals. Group 1A metals are all alkali metals and react violently with water in a certain form (I think in their ion form, example: Li^1+). Group 2A are all alkali earth metals and do not react with water. Thats the general properties, obviously there are MANY more similarities but you would have to be more specific if you are looking for something else.😃😀😃😀
periodic table of elements
The elements present at right side groups of the periodic table are non-metals. They have high electron affinity and ionization energy.
Groups are arranged as columns in the periodic table; the contained elements have similar properties.
In the periodic table, the elements are grouped according to their properties. Elements in a group has an equal number of valence electrons. So the elements in a group have most common chemical properties.
Grouping describes the behavior of elements. Different groups have different properties.
The properties of chemical elements have a periodic trend.
periodic table of elements
The periodic table
The elements present at right side groups of the periodic table are non-metals. They have high electron affinity and ionization energy.
Groups are arranged as columns in the periodic table; the contained elements have similar properties.
they're non metals, they form acid solutions and not dense.
It groups elements with similar properties in vertical columns
Groups of the Periodic Table of Elements.
Elements with similar properties are displayed in columns, called groups, on the periodic table. This arrangement allows elements with similar chemical behavior to be grouped together. Elements in the same group have the same number of valence electrons, which is the main factor determining an element's chemical properties.
Because the elements that have similar properties are arranged in groups - or 'periods'.
groups
Both arrange elements in groups of elements having similar properties.