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High melting point

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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.


Does barium form barium peroxide or barium oxide?

Barium can form both barium peroxide (BaO2) and barium oxide (BaO) depending on the conditions. Barium peroxide is formed when barium reacts with oxygen in excess. Barium oxide is commonly formed when barium reacts with oxygen in limited supply or at high temperatures.


Is barium acetate a solid?

Yes, barium acetate is a solid compound at room temperature. It is a white crystalline solid with a high melting point.


Is beryllium a solid at room temperature?

Barium is a solid at room temperature, and has a melting point of 727°C. Barium at room temperature is explosively combustible, especially as powder, due to its extreme reactivity with oxygen in the air. Barium sulfate is used in medical radiology, and barium is used with yttrium in YBCO high-temperature superconducting compounds (yttrium barium copper oxide).


What compounds have a high melting point and dissovle in water bacl2 ch3co2c2h5 c22h46?

Barium chloride or BaCl2


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

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


What is a Physical state of barium hypochlorite?

Barium hypochlorite is a white crystalline solid at room temperature. It is insoluble in water and has a high melting 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.


What is the melting and boiling point of zinc oxide?

Melting point of zinc: 787,15 0F Boiling point of zinc: 1 655 0F


Does rust have a very high melting point?

Rust is a compound primarily composed of iron oxide, which has a melting point of around 1,538 degrees Celsius (2,800 degrees Fahrenheit). This melting point is relatively high compared to other common materials. Therefore, it can be said that rust does have a relatively high melting point.


Which metal oxide has the highest melting point?

Tungsten oxide (WO3) has one of the highest melting points among metal oxides, around 1473 degrees Celsius. Other metal oxides with high melting points include alumina (aluminum oxide) and zirconia (zirconium oxide).


Why tungsten in cathode ray tube coated with thorium oxide or barium oxide?

Tungsten is used in the cathode ray tube (CRT) because it has a high melting point and good thermionic emission properties, which means it can easily release electrons. The thorium oxide or barium oxide coating on the tungsten helps to improve electron emission efficiency by reducing work function and enhancing electron current. This combination allows for better electron beam production in the CRT.