Question

An element has 56 nucleons in nucleus and if it is isotonic with 30Y60. Group number is x and period number is y. Find the value of x + y.

Answer 1

Answer:

element has 56 nucleons in nucleus and if it is isotonic with 30Y60. Group element has 56 nucleons in nucleus and if it is isotonic with 30Y60. Group number is x and period number is x and period number

certain nucleus x of mass number 238 and atomic number 92 is radioactive.certain nucleus x of mass number 238 and atomic number 92 is radioactive. It emits an alpha particle and is transformed into nucleus y.It emits an alpha particle and is transformed into nucleus y.