The mass of an electron is a) equal to the mass of the proton and the neutron b) higher than the mass of the proton or the neutron c) not significant to the overall mass of the atom

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

Which subatomic particle has a negative charge

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?