Un catión trivalente contiene 75 nucleones y 45 neutrones, Señale el número de electrones que posee dicho catión.

May someone me with these science questions

At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element