How many protons, neutrons and electrons will and atom have with an atomic number of 75 and and atomic mass of 150?

What is impossible to do with a hypothesis

Which characteristic of water it form droplets? a. low specific heat b. nonpolar structure c. high surface tension d. ability to dissolve substances

There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.