Knowing that oxygen-15 can undergo positron emission, which of the elements listed in the table does an oxygen-15 nucleus become when it undergoes positron emission?
|Number of Protons||5||6||7||8||9||10||11|
When an atomic nucleus emits a positron, by how much does the mass number of the remaining nucleus change?
The following nuclear equation shows how an isotope of carbon decays to an isotope of boron via positron emission:
What is the value of in the equation?