Microsoft wedge keyboard not working7/27/2023 ![]() Due to the effects of the lanthanide contraction, they are very similar in properties. ![]() The group is also called the titanium group or titanium family after its lightest member.Īs is typical for early transition metals, zirconium and hafnium have only the group oxidation state of +4 as a major one, and are quite electropositive and have a less rich coordination chemistry. It contains the four elements titanium (Ti), zirconium (Zr), hafnium (Hf), and rutherfordium (Rf). ![]() ![]() Group 4 is the second group of transition metals in the periodic table. ![]()
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