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Science Test Space
Class 8
Atomic structure
Textbook questions
2.
Choose the correct answer II
Question:
2
m.
1
.
Th e number of protons, neutrons and electrons present respectively in \(_{35}\textrm{Br}^{80}\)
\(35\), \(45\), \(35\)
\(35\), \(35\), \(80\)
\(80\), \(80\), \(35\)
\(35\), \(50\), \(80\)
2
.
The correct electronic configuration of potassium is
\(2,8,8,3\)
\(2,8,1\)
\(2,8,8,1\)
\(2,8,9\)
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