The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is
Practice this Structure of Atom question from Engineering Entrance Exam.
Question Details
Chemistry
Structure of Atom
Engineering Entrance Exam
Question
The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is
Solution
\(A = Z + N\) \(= 18+ 20 = 38\)