Hey my name is steffanie and im bored about to be in JROTC and dont wanna do it so whose up to talk

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

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.