Which of the following sets of quantum numbers is (are) valid for a 4d electron? (select all that are valid) note: the format/order of the answers is (n, l, ml, ms).

Which element would mostly likely have an electron affinity measuring closest to zero

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c