The number of electrons in an element X is 15 and the number of neutrons is 16. Which of the following is correct representation of the element?
A. \({ }_{15}^{31} X\)
B. \({ }_{31}^{16} X\)
C. \({ }_{16}^{15} X\)
D. \({ }_{15}^{17} X\)
Answer:A
The number of electrons in an element X is 15 and the number of neutrons is 16. Which of the following is correct representation of the element?
A. \({ }_{15}^{31} X\) B. \({ }_{31}^{16} X\) C. \({ }_{16}^{15} X\) D. \({ }_{15}^{17} X\)