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05-Dec-2019 12:32
The transition elements or transition metals occupy the short columns in the center of the periodic table, between Group 2A and Group 3A.
The elements which follow lanthanum (atomic numbers 58-71), are known as the lanthanides; they are chemically similar to each other, and are often found together in various combination in ores. Actinium is a silvery-white, radioactive metal, which glows with blue light in the dark.The period 4 transition metals are scandium (Sc), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn).