Un atomo neutro en la capa de valencia M posee 5 electrones. Determine el elemento quimico cuyo atomo cumple con la condicion descrita. A) Silio (Z=14)
B) Fosforo (Z=15)
C) Azufre (Z=16)
D) Aluminio (Z=13)

1. and 2. question: in which equation? or i don't understand you, 3. a), 4. c), 5. c), 6. b), 7. d), 8. d) if small number is underlined(behind symbol) , b) if big number is underlined(in front of symbol)9. what is underlined there? 10. c)

Because you ate playdough