Gravity is an example of which type of force?

Write the overall equation for the reaction for lithium battery

Identify two types of chemical bonding in the source of dietary potassium

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.