What findings led thomson to infer that particles that are smaller than atoms do exist?

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

How is the atomic number of a nucleus changed by alpha decay