86. Solving a chemistry problem

86. Solving a chemistry problem

64. What is called the electronic formula and electronic configuration of an atom or ion? What form do they have for the following atoms and ions: Na and Na, Ca and Ca 2, Al and Al 3, Cl and Cl-, S and S-2, Br- and K? Which of these electrons have the electronic structure of Ne, Ar, Kr atoms?

Additional information:

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.