Using the model, what is the mass of the atom pictured? A) 3amu
B) 5amu
C) 7amu
D) 9amu

Modern weaponry has increased the number of deaths in wars and violent conflicts.

Which description best characterizes the motion of particles in a solid?

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m