Ruthenium- is Most used for the electronics industry for chip resistors and electrical contacts. 

Osmium- has only a few uses. It is used to produce very hard alloys for fountain pen tips.

Hassium- at present it is only used in research.

Cobalt- like iron, can be magnetised and so is used to make magnets.

Rhodium- is used in catalytic converters for cars 

Iridium- is the most corrosion-resistant material known. It is used in special alloys.

Meitnerium- at present it is only used in research.

Nickel- is used in manny coins.

palladium- is used in catalytic converters for cars.

Platinum- is used extensively for jewellery.

Darmstadtium- at present, it is only used in research.

Copper- is also used in manny coins.

silver- it is used for jewellery and silver tableware, where appearance is important. 

gold- is stored as bullion. It is also, however, used extensively in jewellery.

Roentgenium- at present, it is only used in research.

zinc- is used to galvanise other metals, such as iron, to prevent rusting.

Cadmium- is a poison and is known to cause birth defects and cancer.

Mercury- has fascinated people for millennia, as a heavy liquid metal.

Copericium- at present, it is only used in research.