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carbon, germanium, tin, lead
yes it is a conductor
Carbon, Silicon (a metalloid), Germanium (a metalloid),
they don't conduct electricity: they have no free electrons. graphite, however, made of the same stuff as diamond (carbon) has a different structure, which means that it does have free electrons, and a lot of them. Therefore graphite is a good conductor of electricity.
Germanium. This is in the same column as Carbon, and the 4th row of the periodic table.
Carbon nanotubes or graphene
carbon, germanium, tin, lead
Germanium is the 3rd member of carbon family.
Many simple organic compounds can have germanium substituted for some or all of the carbon. This gives many thousands of different molecules.
One element of carbon family as Silicon or Germanium and one element from Boron family as gallium or Indium or one element from Nitrogen family as Arsenic.
The Carbon Family
Germanium is in group 14 which in increasing atomic number are carbon, silicon, germanium, tin and lead
is carbon a conductor or insulator
This depends on the structure of carbon. In the metastable diamond structure, carbon is an insulator. In a stable graphite structure carbon is known as a 'zero band gap' conductor meaning it will conduct electrons with a small input of energy. A carbon nanotube is one of the best known conductors of electricity because of overlapping 'p orbitals'. Tin is a better conductor of electrons compared to carbon ( generally, unless you are talking about carbon nanotubes). This is due to the band theory of solids. The low energy orbitals of carbon do not 'split' and overlap at large distances. The higher energy orbitals of tin do 'split' and overlap at larger distances allowing for electronic conduction.
Carbon family.
Carbon and silicon, of course, Germanium all are in the fourth group. This emphasises that they are tetra valent. They form crystalline structure with covalent bond.
Carbon, silicon, germanium, tin, lead.