Groups 1, 2 and 13-18 on the Periodic Table of Elements. This includes the elements; Li Na K Rb Cs Fr, Be Mg Ca Sr Ba Ra, B Al Ga In Ti, C Si Ge Sn Pb, N P As Sb Bi, O S Se Te Po F Cl Br I At, He Ne Ar Kr Xe Rn.
Hope that helps! I had the question on my science paper and looked it up 2! It was kinda difficult!
These elements are called "main group elements".
Sometimes these are called the "representative" elements.
another name is 'same kind' or alloy if it is 2 metals or a solution for heterogeneous, 'different kind', or a mechanical mixture
Yes, sodium is a representative element because it belongs to Group 1 of the periodic table, which is known as the alkali metals group. Representative elements are those found in the s and p blocks of the periodic table.
All of them. "Representative elements" means "representative of the group". A group which doesn't have any representative elements would be a largely meaningless group.Group-1, 2,13-18 include representative elements. Group-1 and 2 contain metals. Group 13-17 contain non metals. Group18 comprises of noble gases.
Another name for a US Representative is a Congressman.
Congressman .
republic
republic
Yes.
the "A" elements
The representative elements are in the groups 1,2, 13-18; the name is given to make a difference toward transition metals.
Alkali Metals.
If it is a liquid it is called a solution.If it is a mixture of two metals it is called an alloy.
These elements are called "main group elements".
Representative democracy is another name for indirect democracy, where citizens elect representatives to make decisions and policies on their behalf.
Representative