Manganese has an atomic number of 25 and an atomic mass of 55 amu. How many particles are found in its nucleus?
A B C D
25 30 55 80
Question: Manganese has an atomic number of 25 and an atomic mass of 55 amu. How many particles are found in its nucleus?
(A) 25
(B) 30
(C) 55
(D) 80

Answer: (C) 55
Answer: (A) 25
Question: Manganese has an atomic number of 25 and an atomic mass of 55 amu. How many particles are found in its nucleus?
(A) 25
(B) 30
(C) 55
(D) 80
Answer: (C) 55