choose the correct answer. which of these is the atomic mass of cobalt (co)? 27 58.933 co

choose the correct answer. which of these is the atomic mass of cobalt (co)? 27 58.933 co
Answer
Explanation:
Step1: Recall atomic - mass concept
Atomic mass is the average mass of atoms of an element.
Step2: Know cobalt's atomic - mass value
The atomic mass of cobalt (Co) is approximately 58.933 u. The number 27 is cobalt's atomic number, and "Co" is its chemical symbol.
Answer:
58.933