In pure culture paramecium caudatum grew and flourished. In a mixed culture with P. aurelia, all P. caudatum died within 16 days, while the P. aurelia survived. This observation illustrates

Connect the whole numbers on the periodic table to indicate what they represent?

If a particle has z = 25 and 23 electrons, what is its charge?

If you used the method of initial rates to obtain the order for no2, predict what reaction rates you would measure in the beginning of the reaction for initial concentrations of 0.200 m, 0.100 m, & 0.050 m no2.