What mass of copper is equivalent to 0.7 mole (Cn=63.5)

by cartels in other countries, shipped by air, mail, or land. i cant really see your answer choices : /

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

distance, luminosity, brightness, radius, chemical composition, and temperature

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.