CBSE - X - Chemistry
Thank you madam .. but science is advance much to change its(silicon and berylium) property and name the change in their property that are hurdles to make hardest substance in the world that is not made up of carbon . and plz read the question and try to understand it what i m asking .
In future scientist may get success to form hard substances from the mentioned materials.
Till date, below given are two manmade substances which have been claimed to be harder than diamond.
The first is wurtzite boron nitride has a similar structure to diamond, but is made up of different atoms. The second is the mineral lonsdaleite, or hexagonal diamond is made from carbon atoms just like diamond, but they are arranged in a different shape.
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