Question
Download Solution PDFIn helium nucleus there are:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
In an atom's notation, ZXA ; z is an atomic number and A is the mass number.
No. of protons Z
No of neutrons = A - Z
EXPLANATION:
The helium atom is presented by 2He4
Z = 2 and A = 4
No. of protons Z = 2
No of neutrons = A - Z = 2
So the correct answer is option 2.
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