Ammonium hydroxide is added to a solution. The solution formed a sky blue which turned deep blue in excess of ammonium hydroxide. Name the cation present im the solution. A Fe?
B. Zn
C. Cu²
D. Pb2​

List four observations that indicate that a chemical reaction may be taking place

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

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.