How many moles of \ce{ZnCl2}ZnClX
2


will be produced from 21.0 \text{ g}21.0 g21, point, 0, start text, space, g, end text of \ce{Zn}ZnZ, n, assuming \ce{CuCl2}CuClX
2


is available in excess?

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

sorry i was late, but i don't know what assignment your talking about, i'm in flvs as well, im in earth space science. but u are behind pace bc every class should be in the 3's or 4'

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.