Antimony has 2 naturally occurring isotopes. the mass of antimony-121 is 120.904 amu and the mass of antimony-123 is 122.904 amu. using the average atomic mass from the periodic table, find the abundance of each isotope. (remember that the sum of the two abundances must be 100. show your work.)

The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif            –1,036licl            –853naf            –923kf            –821nacl            –786which statement about crystal lattice energy is  best  supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.