X Х Which of the following ground-state electron configurations represents the atom that has the
lowest first-ionization energy?
152 2s1
152 252 2p2
152 2s22p6
152 252 2p6 351

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

Chemistry worksheet - i am not sure what they are asking for exactly?