Why is diamond a large molecule?

Is a diamond a large molecule?

A diamond is one giant molecule of carbon atoms. Diamonds are colourless and transparent .

Why is diamond a giant molecule?

Diamond. Diamond is a form of carbon in which each carbon atom is joined to four other carbon atoms, forming a giant covalent structure. As a result, diamond is very hard and has a high melting point. This explains why it is used in cutting tools.

Why diamond is a molecule?

In diamond, each carbon shares electrons with four other carbon atoms – forming four single bonds. … It is not a molecule, because the number of atoms joined up in a real diamond is completely variable – depending on the size of the crystal.

Is diamond a molecular compound?

Diamond is a covalent network solid, like a number of other common materials (quartz, graphite, glass, and a whole bunch of stuff). Because they are not discrete molecules – there is no ‘diamond’ molecule the same way there are molecules of caffeine, benzoic acid, citric acid, N,N-dimethylaminopyridine, etc.

What is a diamond molecule?

Diamond is a giant covalent structure in which: each carbon atom is joined to four other carbon atoms by strong covalent bonds. the carbon atoms form a regular tetrahedral network structure. there are no free electrons.

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What is a giant molecular structure?

A giant covalent structure is a three-dimensional structure of atoms that are joined by covalent bonds. Allotropes are different forms of the same element, in the same state. Graphite ,graphene and diamond are allotropes of the same element (carbon) in the same state (solid). Carbon can form up to four covalent bonds.

Why does diamond have a higher melting point than silicon?

Silicon carbide has a C-Si bond length of 186 p.m. and a bond strength of 318 kJ/mol. Diamond has a much shorter C-C bond length (154 pm) and stronger bonds (348 kJ/mol). Thus, it takes more energy to vaporize diamond, and diamond has the higher sublimation temperature.

How many atoms are in a diamond molecule?

Although there are 18 atoms in the figure, each corner atom is shared by eight unit cells and each atom in the center of a face is shared by two, so there are a total of eight atoms per unit cell.

Is diamond element or compound write its composition?

diamond is made of an element but it is not an element even it is not a compund. diamond is the allotrope of carbon in which the carbon atoms are arranged in the specific type of cubic lattice called diamond cubic.

Why is diamond so hard chemistry?

The outermost shell of each carbon atom has four electrons. In diamond, these electrons are shared with four other carbon atoms to form very strong chemical bonds resulting in an extremely rigid tetrahedral crystal. It is this simple, tightly-bonded arrangement that makes diamond one of the hardest substances on Earth.

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