Respuesta :
I have an answer!
1. The atomic number is 42.
2. The atomic mass is 96.
3. The number of valence electrons is 1.
4. The number of electrons in the n = 3 shell is 18.
5. Finally, the number of neutrons is 54.
Hopefully I helped you with this! God bless! :)
Answer:
The atomic number is 42.
The atomic mass is 96.
The number of valence electrons is 1.
The number of electrons in the n = 3 shell is 18.
Finally, the number of neutrons is 54.
Explanation: