Diamond is the hardest substance known to man.
Why diamond is hard and graphite is soft. It is very difficult to break extended covalent bonding and therefore diamond is the hardest substance on earth. If both are made only of carbon what gives them different properties. Graphite on the other hand consists of flat hexagonal ring forming layers of carbon atoms. A soft surface is scratched more easily than a hard surface.
Why is graphite soft and diamond hard if both are pure carbon. Graphite is very soft and slippery. Describe why diamond is hard and graphite is soft. What makes diamond so hard.
It boils down to a single factor. Carbon alone forms the familiar substances graphite and diamond. So a hard mineral such as diamond will scratch a soft mineral such as graphite and the hard mineral will not be scratched by the soft. Carbon is an element.
The rigid structure held together by strong covalent bonds makes diamond very hard. Both graphite and diamond are made only of carbon atoms. Even if diamond and graphite are made up of carbon the former is extremely hard while the latter is soft. Why is diamond hard but graphite is soft despite being composed of the same element carbon.
A diamond has a crystal structure similar to ice b diamond is made up of only carbon atoms c the c c bonds all have different bond lengths d a rigid network of atoms that cannot move 4. On the other hand graphite has layer structure and the layers are held together by weak vander waals forces. Diamonds are also quite pure whereas graphite isnt just carbon but other trace elements as well. Which statement best describes why graphite is soft.
The arrangement of carbon atoms in diamond follows a tetrahedral fashion. Therefore graphite cleaves easily between the layers and therefore it is very soft and slippery. Graphite is relatively young and soft in structure when compared to diamond which is compressed and intensely heated for thousands of years in order to grow a rigid prismatic structure. Diamond and graphite both only have carbons and have covalent bonding involveddiamond has a giant covalent lattaice and each carbon atom is bonded to 4 other carbon atomsgraphite on the other hand is formed in layers and each carbon is bonded to 3 other carbon atoms.
This means that each carbon atom is attached to 4 other carbon atoms forming strong covalent bonds.
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