General Knowledge - General Science - Discussion
Discussion Forum : General Science - Elements and Metals (Q.No. 12)
12.
The hardest substance available on earth is
Discussion:
79 comments Page 5 of 8.
Vinoth said:
9 years ago
Can anyone know the reaction between diamond and fire?
During this reaction, diamond burnt quickly.
During this reaction, diamond burnt quickly.
Sana said:
9 years ago
Platinum is not the hardest substance on the earth. It has electronic cloud of electrons.
Hemant said:
1 decade ago
Diamond is purely made of carbon in which the atoms are strongly attached to each other.
Prateek Thakur said:
9 years ago
Because diamond is very hard as it cannot be broken. It is found inside earth's surface.
Chilaka said:
1 decade ago
Because of sp3 hybradisation with bond length 1.42a.
That's why it is strongest metal.
That's why it is strongest metal.
Arsh garg said:
7 years ago
It is the hardest mineral.
It is also used to cut glass.
It is a non-metallic mineral.
It is also used to cut glass.
It is a non-metallic mineral.
Veronica said:
1 decade ago
Diamond is one of the allotropes of Carbon with tough, complex packing of bonds.
Rajdeadman said:
1 decade ago
I have read somewhere that platinum is now the hardest metal present on earth.
Sana said:
9 years ago
Because of very close packing of atoms of carbon and it have no free spaces.
Ritaprava said:
9 years ago
Boron Carbide is the hardest substance. Diamond is the hardest element form.
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