Symbol	Protons	Neutrons	Electrons	Charge	

	8	9		0	
		77	54	0	
					
		12	12	+1	
	38	50		0	
		14	10	+3	
					
+3					
-2					
	106	157		0	
	11	12	11		
	7	14		-3	
					
		126	84	-1	
					
	47	61		+1	
	40	51		0	
	24	28		+3