What is NOT a characteristic of a mixture? A. A chemical change occurs within a mixture

B. Two or more elements are combined with one another

C. Elements in a mixture are combined without creating a chemical reaction

D. All answers are true

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

What is the correct equation for cellular respiration?

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.