An example of an atom that has no charge is one that has a. 2 protons, 2 electrons, and 1 neutron. b. 3 protons, 2 electrons, and 1 neutron. c. 1 proton, 2 electrons, and 3 neutrons. d. 3 protons, 1 electron, and 3 neutrons.

You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.

The ph is the a.independent variable b.the dependent variable c.control group