Describe what you would expect to observe, if anything, when a piece of nickel is placed in a solution of copper(II) nitrate. (select all that apply) a. Solid copper would form on the surface of the nickel metal.
b. The blue color of the solution would become darker.
c. Nickel atoms are converted to nickel ions in solution.
d. The blue color of the solution would become lighter.
e. No reaction would occur.

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Me i dont know what to do! 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.

Stage in which a star’s outer layers have started to cool and grow outward?