How many copper atoms are in a pure copper statue with a mass of 198 kg?

What would most likely be the transmittance of a 0.70 m solution of solute a?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the