What is the standard cell notation of a galvanic cell made with zinc and gold? O A. Zn2+ (aq) | Zn(s) || Au(s)| Aut(aq)
B. Au(s)| Aut(aq) || Zn2+(aq) | Zn(s)
C. Au+(aq)| Au(s) || Zn(s)| Zn2+(aq)
D. Zn(s) | Zn2+(aq) || Aut(aq) | Au(s)

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

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

The element that has the greatest electronegativity is