Question

There are $10$ neutrons in the nucleus of the element ${}_z{M}^{19}$ It belongs to

• A. $f$-block
• B. $s$-block
• C. $d$-block
• D. None of these

Answer 1

Answer: (D)

${}_z{M}^{19}=19-10$
Z = 9 it is p-block element