A compound contains 75.46% carbon, 4.43% hydrogen, and 20.11% oxygen by mass. It has a molecular mass of 318.31g/mol. What is the molecular formula?

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.

Give the orbital configuration of the phosphorus (p) atom.

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.