A group of elements with similar properties, which usually falls into columns on the periodic table. A. period b. ductile c. atomis d. family​

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

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

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.