Arrange these species into isoelectronic groups. It does not matter which group goes in which box, so long as the correct species are grouped. B3+ Al3+ Ne He Li+ Ti4+ K S2- N3-

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

In which reaction is precipitation occurring?