In respect to this why does silicon have a higher melting point than sodium. Which need a very large amount of energy to be broken.
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Silicon has a high melting point because it is a very strong and stable element.
. Covalent substances have weak intermolecular forces between their molecules so they require less energy. Similarly why does silicon have a higher melting point than phosphorus. Silicon has a very high melting point and boiling point because.
A lot of energy is needed to break the strong covalent bonds throughout the structure. Silicon has a very high melting point due to its giant covalent structure. Each carbon is covalently bonded to three others so there is one electron delocalised per carbon atom which is free to move between the layers and carry charge.
However silicon being a non-metal forms simple covalent bonds with other silicon particles. Argon exists as individual atoms with weak van der Waals forces between them which again results in a low melting temperature. A lot of energy is needed to break the strong covalent bonds throughout the structure.
Melting point depends upon the binding forces among the atoms or molecules and compactness of the material the pure Silicon as an element has great compactness as compare to its compound SiCl4. It is able to withstand high temperatures without melting which is why it is often used in electronics. Why does silicon have the highest melting point.
Silicon is a metalloid with a giant covalent structure. Thus the melting temperature of silicon is higher as it exists as a giant covalent structure so strong covalent bonds have to be broken in order to melt it whereas phosphorus exists as a simple covalent structure so weaker London forces have to broken in order to melt it. All the silicon atoms are held together by strong covalent bonds.
A lot of energy is needed to break the strong covalent bonds. Add your answer and earn points. Silicon has a very high melting point due to its giant covalent structure.
Why Does Silicon Have A High Melting Point. Thus the melting temperature of silicon is higher as it exists as a giant covalent structure so strong covalent bonds have to be broken in order to melt it whereas phosphorus exists as a simple covalent structure so weaker London forces have to broken in order to melt it. High School Why does silicon have a high melting point 1 See answer luci2 is waiting for your help.
The silicon atoms are attracted to each other by strong covalent bonds. 1 The melting point of the elements going across the Periodic Table from sodium to argon A increases steadily. The melting point of Si is the highest in Period 3 elements but do take note this doesnt mean all giant molecules have higher melting points than all metals.
The negative charge of electrons and positive charge of cations have strong attraction forces which require a lot of heat energy to break. Silicon has a very high melting point due to its giant covalent structure. Why Does Carbon Have A High Melting PointCarbon atoms have four unpaired electrons and can form four covalent bonds.
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