Can you guys help please?

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

Table sugar completely dissolved in water is an example of a?

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h