Please help! What is the identity of the element that produced the unknown emission spectrum and what information does the spectrum give about the source
of the element? Explain your answer.

What is impossible to do with a hypothesis

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh