The group of elements that are more ready to combine with other elements that become active as they go down. This is the first group. It is Group 1.
What is the Alkali Metals?
100
All elements in the group are nonmetals except Astatine. The most active of this group is Fluorine. It is Group 17.
What is the Halogen Group?
100
This element is ~75% of the Sun.
What is Nitrogen?
200
This group are the major chunk of elements. It has the coinage metals and the iron triads. It is Group 3-12.
What is the Transition Metals?
200
Carbon is in this group. It is commonly found in graphite and diamond. They have nonmetal, metal, and metalloid. It is a semi-conductor. It is Group 14.
What is the Carbon Group?
200
This element is the main element of Earth.
What is Iron?
300
This group neighbors the Alkali metals. It is Group 2 and has a higher melting point and is denser. It has the most common elements 'Calcium' and 'Magnesium'.
What is the Alkaline Earth Metals?
300
This group has a lot of biological materials that store energy in living organisms. It is Group 15.
What is the Nitrogen Group?
400
This group has aluminum and has the nonmetal 'Boron'. It is black and brittle. It is Group 13.
What is the Boron Group?
400
These groups rarely combine with other element, hence their name. It is the last group.
What is the Noble Gas Group?
500
This has the elements that are essential for life (oxygen, sulfur, ect.). It is Group 16.
What is the Oxygen Group?
500
This element is all alone. It is in its own group.