Complete the following table:
Element	Symbol not.	 Mass #	 protons	neutrons	electrons	Charge	
Sodium				  12		1+	
Phosphorus		31				3-	
Cobalt			27	32		2+	
Bromine		80			35	0	
Silver			47	61		0	

Answer KEY

Element	Symbol not.	 Mass #	 protons	neutrons	electrons	Charge	
Sodium	1+	23	11	  12	10	1+	
Phosphorus	3-	31	15	16	18	3-	
Cobalt	2+	59	27	32	25	2+	
Bromine		80	35	45	35	0	
Silver		108	47	61	47	0