Cu( s) + 2AgNO 3( aq) ® 2Ag( s) + Cu(NO 3) 2(aq) How many atoms of Cu are required to produce 10 atoms of Ag

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

What conclusion can you draw from this experiment about the components of the black ink?