# Ion or neutral atom?

## Homework Statement

An atom of 28_13 AI decays into stable nuclide 28_14 Si by emitiing a beta particle.
What's 28_14 Si ?
the ans given is positive ion?

in my opinion, it should be a neutral atom... which is correct?

## The Attempt at a Solution

Doc Al
Mentor
What's your reasoning? Hint: What's a beta particle?

If the 28 _13 nucleus decay then the positive ion is formed? Am I right? But here's an atom not nucleus

haruspex