Question

Identify the total number of protons and neutrons in the nucleus of the most common isotope of manganese

Answer 1

Name: Manganese
Symbol: Mn
Atomic Number: 25
Atomic Mass: 54.93805 amu
Melting Point: 1245.0 °C (1518.15 K, 2273.0 °F)
Boiling Point: 1962.0 °C (2235.15 K, 3563.6 °F)
Number of Protons/Electrons: 25
Number of Neutrons: 30
Classification: Transition Metal
Crystal Structure: Cubic
Density @ 293 K: 7.43 g/cm3
Color: silverish/grayish

Answer 2

the answer is c.55. I don't know how I got it but it was a question on my test and I guessed a I got it right so ⁻\_(⁰⁰)_/⁻