Simple multiple choice ! 1.) in the geiger-marsden experiment, a thin gold foil was bombarded by electrons alpha particles gamma rays 2.) the chemical characteristics of an atom are determined by its: atomic number mass number binding energy number of isotopes 3.) calculate the speed of the electron of a hydrogen atom if it is in the fifth circular orbit. 4.4 x 10^5 1.1 x 10^7 any is !

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

What is the rate of change in a objects position?

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors