Answer:
D
Explanation:
According to IUPAC nomenclature, a negative polyatomic ion has its name ending in 'ate' or 'ite'
As in carbonate (CO3^2-)
Arsenite (AsO3-)
The answer is cadmium its got 48 electrons which is y its number 48 on the period table
Answer:
Electrons
Explanation:
Because the nucleas is In the middle and the Electrons surround it
