These elements are the ones found between the transition metals (to the left) and the metalloids (to the right). They include:
aluminium (Al)
gallium (Ga)
indium (In)
thallium (Tl)
tin (Sn)
lead (Pb)
bismuth (Bi)
aluminium (Al)
gallium (Ga)
indium (In)
thallium (Tl)
tin (Sn)
lead (Pb)
bismuth (Bi)