yo I need help with finals help me answer this question. Which type of reaction is shown by this equation? Ca + 6B -> CaB6

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

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.

What are the two largest greenhouse gases