There is a large increase in ionization energy between the second and the third ionization energies of a metal. what kind of ion is the metal likely to form? include the charge in your answer.

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?