If number of electrons in M-shell is half of K-shell then atomic number and name of element.
A) 12, Magnesium
B) 11, Sodium
C) 13, Aluminium
D) 14, Silicon
Answered Feb 05, 2023
Correct Answer - 24.5
Correct Answer - 4.5 m/s
Correct option is B) Al
C) a → ii, b → iv, c → i, d → iii
C) a→iii, b→i, c→iv, d→ii
Correct option is B) 4l + 2
An atom of an element ‘X’ having atomic number ‘Z’ and atomic mass number ‘A’ is represented as : \(^A_ZX\)
Correct option is D) 4
Correct option is D) Al
Correct option is A) 2
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