Physics question!! :))

Ifound this on google “how does an observation of an object differ from an inference about it? observations uses one or more of the senses to gather in formation and record it but an inference is a logical interpretation of the prior knowledge like testing samples.” i hope this you for what your looking for. can you plz mark me brainliest?

The charge of an ion with 55 protons and 52 electrons is +3. the reason is because protons are positive, and there are three more than the amount of negative electrons.