What is an isotope in your own words

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

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