Which scientist’s law about the ratios of masses of elements in a compound did John Dalton’s work on the atomic structure help to explain? Democritus
J. J. Thomson
Ernest Rutherford
Joseph Proust

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

The minerals found in bones are deposited by living cells called

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