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as all of its molecules are packed closely together and have a strong bond!

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Wiki User

∙ 15y ago
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Anonymous

∙ 6y ago
Because it is an ion so it has strong intermolecular forces of attraction, a lot of energy is needed to break the bonds

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Related Questions

Calcium oxide state?

CaO + 2(H2O) = Ca(OH)2 + H2 Calcium Oxide + Water = Calcium Hydroxide + Hydrogen Gas


Is CaO a solid?

No, because that is oxygen and calcium combined


Is Calcium Oxide a solid at room temperature?

Yes, calcium oxide is a solid at room temperature. It has a high melting point of 2,572 degrees Celsius, so it remains in a solid state at typical room temperatures.


What phase is CaO?

Calcium oxide (CaO) is a solid at room temperature and is commonly known as quicklime. It has a high melting point of 2,572 degrees Celsius, indicating that it is in a solid phase under normal conditions.


Does the oxide of Barium have a high or low melting point?

Barium oxide has a high melting point of around 1,923 degrees Celsius. This is typical for many metal oxides, as they tend to have high melting points due to the strong ionic bonds between the metal and oxygen atoms.


Is calcium liquid at room temperature?

No it is a solid. Calcium has a high melting point. Most metals (except mercury) have high melting points.


Why does aluminum oxide have a high melting point?

Aluminum oxide has a high melting point because it has strong ionic bonds between aluminum and oxygen atoms. These bonds require a significant amount of energy to break, leading to a high melting point. Additionally, the structure of aluminum oxide is a giant ionic lattice, which further contributes to its high melting point.


Which property of calcium oxide does the lattice structure explain?

The lattice structure of calcium oxide explains its high melting and boiling points. The strong ionic bonds between calcium and oxygen atoms in the lattice structure require a significant amount of energy to break, resulting in the high thermal stability of the compound.


What type of physical properties are in a calcium oxide?

Some physical properties of calcium oxide are:- density: 3,34 g/cm3- melting point: 2 613 oC- boiling point: 3 850 oC (at high pressure)- crystlline structure: face-centered cubic- enthalpy of formation: 635 kJ/mol


Of the following solids has the highest melting point H2Os Na2Os SO2s CO2s?

This element is wolfram (W): 3 422 oC.


Is calcium chloride soluble in water?

because it has high melting/dissolving point.


What can you say about the melting points of the oxides of zinc oxide?

The melting point of zinc oxide is relatively high, around 1975°C. This is because zinc oxide forms a network crystal structure with strong ionic bonds between zinc and oxygen atoms. The high melting point reflects the energy required to break these bonds and transition from a solid to a liquid state.