Aspirin tablets contain the active ingredient (aspirin) and various inactive ingredients. suggest what types of inactive ingredient could be present, and what their purpose might be.

they it depends on if one believes about radioactivity, they make a geiger counter beep but maybe it was going to beep anyway electronics do wierd things all the time or it was programmed to beep near certain metals.

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa