thaks for the links...
i dont actually have my textbook with me but the periodic table in it has five groups - the first being alkali metals, second alkaline earth metals, then it skips the transition metals and goes to the third group with boron, aluminium etc, and so on... It states that to work out the valencies of the elements to refer to the groupings. However, it does not explain what groups the transition metals are in. :roll: I have read on the net that there are subgroups which the transition metals are contained in like 1B, 2B... is that right???
thanx :wink: