Answer:
its letter d ..................................
B
Explanation:
32 in n=5
4 in n= 2
2 in l=0
10 in 3d
2 in 2s
14 in 5f
A-Metals
because they have valence electrons
172,5 gramos en 3 moles
Espero que esto ayude a marcar el MÁS CEREBRAL !!!
