Question

The symbol for a radioactive nuclide is 131/56Ba Which statement is correct?A) The atomic number of the radioactive nuclide is 75.B) The mass number of the radioactive nuclide is 131.C) The number of neutrons that are present in the nucleus of each atom is 56.D) The number of protons that are present in the nucleus of each atom is 131.

Answer 1

Hihi!

The correct answer is B. The mass number of this nuclide is 131! It's proton number is 56 and it has 75  neutrons  (131 - 56 = 75 neutrons).

I hope I helped!
-Jailbaitasmr

Answer 2

Answer:

The answer is B

Explanation:

B) The mass number of the radioactive nuclide is 131.