Is the sun typical of these nearby stars

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

What is the number of moles in 15.0 g ash3?

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