Identify the element of the isotopes selected in Part B.

120,52X and 128,52X

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

Why are the trends and exceptions to the trends in ionization energy observed?

The p sub shell can hold up to 8 electrons in an atom. true or false?