Much higher. Water melts around 1 0C. At this temperature and much higher, sodium oxide is a solid.
Aluminium oxide, because it has a very strong giant covalent structure that takes a lot of energy to break.
CaO - the attraction between a 2+ and a 2- ion is much stronger than between a + and a -.
It is Sodium Oxide
Today are known three oxides of sodium: * Sodium oxide (Disodium oxide): Na2O * Sodium peroxide (Disodium dioxide): Na2O2 * Sodium super-oxide (Sodium dioxide): NaO2
No. Sodium oxide has only basic properties, no acidic ones.
sodium oxide: 1132oC magnesium oxide: 2852oC
aluminum oxide : Al2O3
The melting point of sodium chloride is 801 0C. The melting point of aluminium oxide is 2 072 0C.
It is 1132 °C
Aluminium oxide, because it has a very strong giant covalent structure that takes a lot of energy to break.
CaO - the attraction between a 2+ and a 2- ion is much stronger than between a + and a -.
Magnesium Oxide Strontium Sulphate has a melting point of 1606°C while Magnesium Oxide has a melting point of 2852°C
14.48
Silica = silicon dioxide = SiO2 is the only ingredient of quartz glass, often sodium and calcium oxides are added to lower the melting point. Often sodium carbonate and calcium carbonate are used as the metal oxide source and the carbon dioxide escapes into our atmosphere during the melting.
Aluminum oxide (Al2O3) would have a higher melting point than sodium bromide (NaBr). This is because aluminum and oxygen ions in Al2O3 are more strongly bonded through covalent bonds, while sodium and bromide ions in NaBr are held together by weaker ionic bonds. Stronger bonding requires more energy to break, resulting in a higher melting point.
The melting point of the subtance depends on how strong the bonds are and every metal has a different melting point because of it.
It is Sodium Oxide