The stability of a nucleus is determined by the ratio of electrons to protons. a. true b. false

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false