What are they really doing to try to convince you that you need to buy their water filter?Think about your pencil experiment and how it would change if you used metals instead

What is a property of a double replacement reaction

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.