Question: What is the heaviest (in mass) chemical on the periodic table?

Asked by nozza13 to Blaire, Elizabeth, Jenny, Shona, Simon on 12 Mar 2013.

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  1. Photo: Blaire DobieckiBlaire Dobiecki
    answered on 12 Mar 2013:

    I must admit that chemisty is not my strong point, but I would imagine it to be the last element on the table (because it has the largest atomic number)?

    Just looked it up – it is ununoctium, element number 118 which is man-made and it doesn’t last for very long. BUT, the article I found below also brings up denisty. The two elements with the highest mass per unit of volume are osmium and iridium. I’ve actually felt a cube of iridium before and believe me, it is HEAVY!!!!

    https://chemistry.about.com/od/elementfacts/f/heaviest-element.htm

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  2. Photo: Elizabeth StarkElizabeth Stark
    answered on 12 Mar 2013:

    I had to look that up too! It was only discovered in 2006.

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  3. Photo: Shona MarksShona Marks
    answered on 12 Mar 2013:

    Wow, this is cool I didn’t realise they were still finding new elements.

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