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en.wikipedia.org/wiki/Platinum

Platinum is a chemical element with symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, gray-white transition metal.

www.livescience.com/39144-platinum.html

Aug 1, 2016 ... Properties, sources and uses of the element platinum.

www.sciencekids.co.nz/sciencefacts/metals/platinum.html

Platinum is a precious metal that is used in catalytic converters, jewelry, watches, ... Platinum is a chemical element with the symbol Pt and atomic number 78.

www.rsc.org/periodic-table/element/78/platinum

Element Platinum (Pt), Group 10, Atomic Number 78, d-block, Mass 195.084. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and ...

www.softschools.com/facts/periodic_table/platinum_facts/351

As a result of these experiments, platinum was isolated from other known elements, but their samples still contained the as-of-yet undiscovered other members ...

www.chemicool.com/elements/platinum.html

Platinum Element Facts. Data Zone | Discovery | Facts | Appearance & Characteristics | Uses | Abundance & Isotopes | References. 78. Pt. 195.1. The chemical ...

www.bullion.com/platinum/funfactsaboutplatinum.html

Platinum is the rarest and heaviest of the precious metals. All of the Platinum ever mined would fit in the average size living room. Annually, only about 133 tons ...

www.scienceforkidsclub.com/platinum.html

Platinum Facts. Introduction:Platinum is a transition metal. It is the third element in the tenth column of the periodic table. Platinum is a very dense, ductile and ...

www.ducksters.com/science/chemistry/platinum.php

Kids learn about the element platinum and its chemistry including atomic weight, atom, ... Symbol: Pt; Atomic Number: 78; Atomic Weight: 195.084; Classification: ...