A radioactive nucleus emits a beta-particle. What happens to the nucleus?
1 )
Its nucleon number decreases.
Its nucleon number stays the same.
3 )
Its proton number decreases.
4 )
Its proton number stays the same.
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!