The electron arrangement of atom U is 2.8.1 and atom Vis 2.8.7. W hat is the molar mass of a compound
formed when atom U combines with atom V? [Relative atomic mass: U = 23: V = 35.5)

A. 152.5 gmol-¹
B. 94.0 gmol-¹
C. 81.5 gmol-¹
D. 58.5 gmol-¹​

Think about the items and services that you and your family buy or consume. what causes you to pay the prices that you do for these goods and services? what determines the price that's on the price tag? what goes into determining, or setting, that price? consider all the possible elements that could influence the prices you pay.

24-karat gold is considered to be pure gold. 18-karat gold is considered to be about 75% gold. what is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition of other elements and minerals. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance.

What was an important effect of blackstone's commentaries of the laws of england? a. people in england no longer had to pay taxes b. common law became more accessible c. judges were able to rule as they d. the rights of the accused were done away with.