31 what is the number of electrons in an al3+ ion? (1) 10 (3) 3
(2) 13 (4) 16

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Can someone me with questions 12 and 13 plz.

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.