From the symbol 19K40, state the mass number of potassium.
Harshit Singh , 2 Years ago
Grade 12th pass
9 grade science> From the symbol 19K40, state the mass nu...
2 AnswersPawan Prajapati
Last Activity: 2 Years ago
Our expert is working on this class X maths answer. We will update the answer very soon.
Yash Patari
Last Activity: 2 Years ago
Dear student
The mass number of potassium (A)=40
the mass number is defined as the total number of protons and neutrons in an atom.
thanks and regards
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