Aradioactive element x with atomic number 88 and mass number 226 emits in succession: 1)alpha particle
2)a beta particle
3)gamma radiation
explain using equations where necessary te changes that take place in the atomic structure of the element at each stage

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?

What is the relationship between the direction of motion of the balloon and the wind currents