The bonds in compound A are stronger than the bonds in compound B.
true ;)
The crystal lattice that is formed has a lower potential energy than the reactants. This is because energy is expended to create the ionic compound.
Lattice Energy
At least, one anion and one cation participate in forming a crystalline ionic lattice. Every ionic compound forms a lattice, they do not form molecules.
Lattice energy
what role does lattice energy play in forming an ionic compound?
ionic charge and ionic radius; the smaller the ionic radius the greater the lattice energy
Ionic Charge and Ionic Radius - the smaller the radius the greater the lattice energy
Ionic Charge and Ionic Radius - the smaller the radius the greater the lattice energy
true ;)
The crystal lattice that is formed has a lower potential energy than the reactants. This is because energy is expended to create the ionic compound.
Ions release some amount of energy when they get together to form a lattice. If it is needed to be seperated into ions again, the same energy should be absorbed. The energy to break 1 mole of a lattice at the standard temperature and pressure is defined as the standard lattice energy. Using formulae, the lattice energy at any conditions can be found as the standard values are tabulated.
An estimate of the strength of the bonds in an ionic compound can be obtained by measuring the lattice energy of the compound, which is the energy given off when oppositely charged ions in the gas phase come together to form a solid.
Lattice Energy
The lattice energy of an ionic solid is a measure of the strength of bonds in that ionic compound. It is usually defined as the enthalpy of formation of the ionic compound from gaseous ions and as such is invariably exothermic. The concept of lattice energy has initially been developed for rocksalt-structured and sphalerite-structured compounds like NaCl and ZnS, where the ions occupy high-symmetry crystal lattice sites. In case of NaCl, the lattice energy is the energy released by the reaction
Definitions of lattice energy: * The energy released when one mole of a crystal is formed from gaseous ions.misterguch.brinkster.net/vocabulary.html * The energy for the reaction of the infinitely separated ions to give the solid. It measures the electrostatic interaction between the ions.www.everyscience.com/Chemistry/Glossary/L.php * The energy given off when oppositely charged ions in the gas phase come together to form a solid. For example, the energy given off in the following reaction: Na + (g) + Cl - (g) NaCl(s).xenon.che.ilstu.edu/genchemhelphomepage/glossary/l.html * Lattice energy deals primarily with metals. The lattice energy, or lattice enthalpy, of an ionic solid is a measure of the strength of bonds in that ionic compound. It is given the symbol U and is equivalent to the amount of energy required to separate a solid ionic compound into gaseous ions. ...en.wikipedia.org/wiki/Lattice energy the lattice energy of an ionic solid is a measure of the strength of bods in that ionic compound. it is usually defined as the enthalpy of formation of ionic compound from the gaseous ions and as such is invariably exothermic
Ionic Charge and Ionic Radius - the smaller the radius the greater the lattice energy. The charge of the ions is what affects the lattice energy.