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[Applause] the transition metals are a special block of metals which are found in the middle of the periodic table the word transition means change this means that we can change their valency thatamp;#39;s the number of bonds that that element makes with other atoms the way that we represent that valency for the transition metals is using Roman numerals I for one I I for two III for three and so forth Iamp;#39;m going to go through three after worked examples showing you how itamp;#39;s right the chemical and ionic formula for transition metal compounds this first example wants us to write the chemical and ionic formula for zinc III nitrate it ends in 8 the D stands for double which means weamp;#39;re going to be just working with two different elements which can be found on page sex of your day typically so we start off with our s psdf the chemical symbol for zinc is that in the valence is 2 and that is given and the name of the formula using the Roman numerals the
