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Solids made of atoms

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Chauncey Kihn

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What kind of solid often have the highest melting points?

These are some metals and salts.


For what two reasons are the melting points routinely used?

Melting points are routinely used to determine the purity of a substance. Impurities often lower the melting point of a substance, so a lower-than-expected melting point can indicate the presence of impurities. Melting points are also used to identify unknown substances by comparing their melting points to established values.


List properties common to many organic compounds?

Some common properties of organic compounds include having covalent bonds, containing carbon and hydrogen atoms, being flammable, having low melting and boiling points, and often having a complex molecular structure.


How do you differentiate simple molecular compounds and giant molecular compounds?

Simple molecular compounds have discrete molecules held together by weak intermolecular forces, while giant molecular compounds have repeating units bonded together by strong covalent bonds. Simple molecular compounds typically have low melting and boiling points and are often gases or liquids at room temperature, while giant molecular compounds tend to have high melting and boiling points and are usually solids at room temperature.


What is the highest melting point of any metal?

The pure chemical element with the highest melting point is tungsten, at 3695 K (3422 °C, 6192 °F) making it excellent for use as filaments in light bulbs.The compound with the highest melting point of all known compounds is Tantalum hafnium carbide (Ta4HfC5), a refractory metal with a melting point of about 4488 K (4215 °C, 7619 °F).The often-cited carbon does not melt at ambient pressure but sublimes at about 4000 K; a liquid phase only exists at very high pressures, of above 10 MPa and is estimated at 4300-4700 K.

Related Questions

What kind of solid often have the highest melting points?

These are some metals and salts.


Is an ionic compound dull?

Yes, ionic compounds tend to have high melting points and are generally hard and brittle solids. They do not have the shiny or metallic luster that is often associated with metals.


What are ionic solids?

Ionic solids are a type of solid structure where the constituent particles are ions held together by ionic bonds. These solids often exhibit high melting and boiling points, are good conductors of electricity in molten or aqueous states, and have a crystalline structure. Examples include common table salt (NaCl) and magnesium oxide (MgO).


For what two reasons are the melting points routinely used?

Melting points are routinely used to determine the purity of a substance. Impurities often lower the melting point of a substance, so a lower-than-expected melting point can indicate the presence of impurities. Melting points are also used to identify unknown substances by comparing their melting points to established values.


The metal with the highest melting point for this reason it is often used as the filament in light bulbs?

tungsten


Which is the most heat resisting metal?

Tungsten has one of the highest melting points of any metal, making it extremely heat-resistant. It is often used in applications that require high-temperature resistance, such as filaments in light bulbs and aerospace components.


List properties common to many organic compounds?

Some common properties of organic compounds include having covalent bonds, containing carbon and hydrogen atoms, being flammable, having low melting and boiling points, and often having a complex molecular structure.


What are the properties of a covalent compounds?

Covalent compounds are formed when atoms share electrons to achieve a full outer shell. They typically have lower melting and boiling points compared to ionic compounds, and are often gases, liquids, or soft solids at room temperature. Covalent compounds do not conduct electricity in their pure form.


What compound that has a high melting point?

Tungsten has a high melting point of 3,422°C, making it one of the highest melting point elements. Tungsten is often mixed with carbon to form tungsten carbide, which has an even higher melting point of over 2,800°C.


What are the macroscopic properties of solids?

Solids have a definite shape and volume, meaning they maintain their shape and do not flow to fill a container. They are relatively dense and have strong intermolecular forces that hold their particles together in a fixed position. Solids have a high degree of structural rigidity and often exhibit specific crystalline patterns.


How do you differentiate simple molecular compounds and giant molecular compounds?

Simple molecular compounds have discrete molecules held together by weak intermolecular forces, while giant molecular compounds have repeating units bonded together by strong covalent bonds. Simple molecular compounds typically have low melting and boiling points and are often gases or liquids at room temperature, while giant molecular compounds tend to have high melting and boiling points and are usually solids at room temperature.


What is the highest melting point of any metal?

The pure chemical element with the highest melting point is tungsten, at 3695 K (3422 °C, 6192 °F) making it excellent for use as filaments in light bulbs.The compound with the highest melting point of all known compounds is Tantalum hafnium carbide (Ta4HfC5), a refractory metal with a melting point of about 4488 K (4215 °C, 7619 °F).The often-cited carbon does not melt at ambient pressure but sublimes at about 4000 K; a liquid phase only exists at very high pressures, of above 10 MPa and is estimated at 4300-4700 K.