What three qualities of titanium make it a good material for producing hip or knee replacements

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules