Model in which electrons are found in fixed levels around the nucleus and require energy to move from level to level:
a. bohr model
c. quantum mechanical model
b. rutherford model
d. free-electron model

How will the ice water mix with the salty water? write your hypothesis below. solution hypothesis describing mixing hypothesis describing temperature (will the top be warmer, cooler, or the same as the bottom? ) solution 1 freshwater solution 2 salty water solution 3 saturated water?