<Tr> <Td_colspan="2"> Trivial name </Td> <Td> Alkali metals </Td> <Td> Alkaline earth metals </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> Coinage metals </Td> <Td> </Td> <Td> Triels </Td> <Td> Tetrels </Td> <Td> Pnictogens </Td> <Td> Chalcogens </Td> <Td> Halogens </Td> <Td> Noble gases </Td> </Tr> <Tr> <Td_colspan="2"> Name by element </Td> <Td> Lithium group </Td> <Td> Beryllium group </Td> <Td> Scandium group </Td> <Td> </Td> <Td> Titanium group </Td> <Td> Vanadium group </Td> <Td> Chromium group </Td> <Td> Manganese group </Td> <Td> Iron group </Td> <Td> Cobalt group </Td> <Td> Nickel group </Td> <Td> Copper group </Td> <Td> Zinc group </Td> <Td> Boron group </Td> <Td> Carbon group </Td> <Td> Nitrogen group </Td> <Td> Oxygen group </Td> <Td> Fluorine group </Td> <Td> Helium or Neon group </Td> </Tr> <Tr> <Td_colspan="2"> Period 1 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> He </Td> </Tr> <Tr> <Td_colspan="2"> Period 2 </Td> <Td> Li </Td> <Td> Be </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> Ne </Td> </Tr>

What group is metal in the periodic table