1.
What role do transition elements often play in chemical reaction?
2.
What is the main ore of titanium mentioned in the source?
3.
What application is for titanium metal?
4.
Which metal is mixed with molten chromium and iron to produce heat-resistant alloys
5.
What colour does cobalt give to glass?
6.
What is pyrolusite mainly used to make?
7.
What color is the aqueous hexaaquiron(II) complex?
8.
Which ligand forms the blood-red iron(II) complex?
9.
What are the molecules or anions bonded to the central metal cation called?
10.
What geometry is associated with a coordination number of 2?
11.
What geometry results from a coordination number of 6?
12.
What is a ligand that has 3 or more donor atoms per ligand called?
13.
What is the prefix for 6 identical ligands?
14.
What is the name of the ligand SCNâ»