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Topic: Heaviest substance

Which is the heaviest substance on our Earth?

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Re: Heaviest substance

No reply!

I am confused.....

Should I say, then, heaviest element instead of heaviest substance?

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Re: Heaviest substance

I could get the answer from one of my friends working in academic field.

Osmium is the heaviest element. (Heaviest in terms of density....). In a solid state and under ambient conditions, one cubic centimeter of osmium weighs 22.66 g. Interestingly, it is heavier than actinides like uranium and noble metals like platinum or iridium.