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All About and Experiments With the Most Precious Metal on Earth: Platinum!

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So, today I want to tell you about the most precious metal on Earth – platinum.
In the periodic table of chemical elements, platinum is located in the 10th group and is also a part of the so-called platinum group of precious and rare metals.

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1 Comment

  1. Dennis Mainhart
    June 10, 2017 at 10:44 pm

    I saw The video that Linor did with Paul Horowitz.
    It was posted on QRZ.
    I am impressed.
    Congratulations to Linor on your award from CQ.
    73
    Dennis

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