The yellow light given off by a sodium vapor lamp used for public lighting has a wavelength of 589nm. what is the frequency of this radiation? (1m=1x10^9)
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Which factor is likely to impact the possible number of compounds ?

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.

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2