Sunday, May 12, 2019

Lead

Lead is group 4 of the periodic table of chemical elements. This is a non-radioactive element.This metal has the biggest atomic mass compared to other non-radioactive metal. It is soft and silvery metal.It is very easy to scratch and also 1.5 times softer than the gold.
Is is also a very easy to melt a metals because its melting point is 327 degrees. Lead is very stable on air and do not react with acid solution . Lead and Lead compounds are toxic so be careful when using experiments.


Source(YouTube ):https://www.youtube.com/watch?v=LjpthO4r1GY.

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