\end{array} \text { Be }\) nucleus is
A. 1.3 × 10-15 m
B. 2.4 × 10-15 m
C. 1.3 × 10-13 m
D. 2.4 × 10-10 m
Answer:B
\end{array} \text { Be }\) nucleus is
A. 1.3 × 10-15 m B. 2.4 × 10-15 m C. 1.3 × 10-13 m D. 2.4 × 10-10 m