Nickel has an atomic mass of 58.69, and cobalt has an atomic mass of 58.93. despite
this, mendeleev listed cobalt before nickel in his periodic table. what information
caused mendeleev to order the elements in this way?

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?