Question

A nucleus of an element X which has the symbol 200X80 emits an alpha particle and then a beta particle. The final nucleus is a Y b. Find a and b?

Answer 1

Answer:

plz brainliest

Explanation:

In alpha decay, decreases 4 unit mass number and 2 unit atomic number.

In beta decay, increases one unit atomic number but mass will remain same.

So,

n

m

X→

α

n−2

m−4

Y→

2β

n−2+2

m−4

Z or

n

m−4

Z