Which of the following is a compound? Group of answer choices

Nitrogen

Oxygen

Hydrogen

Carbon Dioxide

Using the periodic table, complete the table to describe each atom. type in your answers

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

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %