Ionic crystal Flashcards
Ionic crystals structure
strong Electrostatic attraction between oppositely charged ions high melting point takes a lot of energy to moves to break ions apart\
ionic bonds / attarction act in all direction
ionic crystals when can they conduct
why
not solid but liquid and aqueous
there ions are free flowing
They are brittle (meaning ionic crystals can
due to strong bond between the positive and negative ions that make up the molecules
meaning easily to snap
Ionic compounds have high
melting and boiling points The strong electrostatic forces between the ions in the lattice act in all directions and keep them strongly together
How does charge density(charge difference)/size of ion affect melting and boiling point
The strong electrostatic forces between the ions in the lattice act in all directions and keep them strongly together
The smaller the ion, the greater the charge density and the stronger the forces between the ions, which results in a higher melting point.
Also the atomic radius smaller nucleus closer to outer shell elevctrons stronger forces on attraction
Are ionic compounds soluble or not and why
Ionic compounds are soluble in water as they can form ion - dipole bonds
An ion-dipole force is
An ion-dipole force is an attractive force that results from the electrostatic attraction between an ion and a neutral molecule that has a dipole. Most commonly found in solutions. Especially important for solutions of ionic compounds in polar liquids.
