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How are ionic and covalent compounds different in terms of melting and boiling point and electrical conductivity and hardness and brittleness?
Ionic compounds generally have higher melting and boiling points.
What is the melting point for covalent?
Covalent bonds do not melt. Compounds with covalent bonds melt and the melting point depends primarily on whether there are discrete molecules held together by intermolecular forces (which have lower melting points) or giant covalent networks such as in silica or diamond (which tend to have higher melting points).
Is Ionic bond have higher melting and boiling point than covalent bond?
Ionic compounds generally have a higher melting point. This is because the bonds between the negative and positive ions are strong, and this keeps the solid together as the temperature rises. Covalent compounds have comparatively weak bonds between the molecules, so as the temperature rises, these bonds are broken easily and the substance turns into a liquid.
What 5 factors influence the melting point of an organic compound?
Factors affecting the solubility:1. the nature of solute/solvent (chemical composition, polarity)2. temperature3. pressure4. stirring5. surface area of the solute6. some added compounds7. amount of the solute 8. the geometry of the beaker
Why do molecular substances with strong intermolecular forces have high melting points?
There are two molecular network structures that result in high melting points. The covalent structure of carbon forms rigidity of diamond. A diamond can in fact boil but it requires an extreme temperature because of this structure. Salt (NaCl) has a rigid ionic lattice structure between its sodium and chloride atoms. This gives salt a melting point of some 801 degrees Celsius.
Are the boiling points higher temperature than the melting points?
yes, for the same molecule. However, some substances don't have a liquid phase and so the melting point is exactly the same as the boiling point at normal pressures (sublimation is the phase change from solid -> gas)
Compounds with high melting points have?
Because they have interlocking electrons as the different elements' electrons have been 'tangled'
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 are ionic and covalent compounds different in terms of melting and boiling point and electrical conductivity and hardness and brittleness?
Ionic compounds generally have higher melting and boiling points.
Which type of compound would have the lowest melting point?
Compounds bonded by covalent bonds do not necessarily have low melting points. Some have whereas some don't have.Some polymers and hydrocarbons have very high melting points. But it can be said that they don't have melting points as high as ionic compounds. It is so because ionic bonds are stronger than the covalent bonds.
What is the melting point for covalent?
Covalent bonds do not melt. Compounds with covalent bonds melt and the melting point depends primarily on whether there are discrete molecules held together by intermolecular forces (which have lower melting points) or giant covalent networks such as in silica or diamond (which tend to have higher melting points).
Is Ionic bond have higher melting and boiling point than covalent bond?
Ionic compounds generally have a higher melting point. This is because the bonds between the negative and positive ions are strong, and this keeps the solid together as the temperature rises. Covalent compounds have comparatively weak bonds between the molecules, so as the temperature rises, these bonds are broken easily and the substance turns into a liquid.
Do All minerals have the same melting point True of False?
False, all minerals DO NOT have the same melting point
What 5 factors influence the melting point of an organic compound?
Factors affecting the solubility:1. the nature of solute/solvent (chemical composition, polarity)2. temperature3. pressure4. stirring5. surface area of the solute6. some added compounds7. amount of the solute 8. the geometry of the beaker
What do some minerals with a closely high atom structure have a high?
Some minerals with a closely packed atomic structure exhibit high density and stability due to the efficient packing of atoms, which minimizes empty space. This close arrangement of atoms often leads to stronger interatomic bonds, resulting in higher hardness and melting points. Additionally, such structures can enhance the mineral's resistance to weathering and chemical alteration.
Do elements compounds and mixtures have fix melting and boiling point?
Elements have fixed melting and boiling points, while compounds have varying melting and boiling points depending on their composition. Mixtures do not have fixed melting and boiling points, as they are composed of multiple substances which each have their own individual melting and boiling points.
Why do molecular substances with strong intermolecular forces have high melting points?
There are two molecular network structures that result in high melting points. The covalent structure of carbon forms rigidity of diamond. A diamond can in fact boil but it requires an extreme temperature because of this structure. Salt (NaCl) has a rigid ionic lattice structure between its sodium and chloride atoms. This gives salt a melting point of some 801 degrees Celsius.
