What is the mass number of an atom which is made up of 27 protons, 33 neutrons and 27 electrons?
A) 87
B) 60
C) 33
D) 27

Name: What is the mass number of an atom which is made up of 27 protons, 33 neutrons and 27 electrons? A) 87 B) 60 C) 33 D) 27
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Question

Quizplus · Accepted Answer

Mass number is the sum of protons and neutrons in an atom. In this case, the mass number would be 27+33=60. Therefore, the correct choice is B.

What Is the Mass Number of an Atom Which Is