Show your neat work including correct sig figs and units. Use a stylus or zoom in to help with neat writing. POSSIBLE

How many molecules is equal to 46.92 grams of SrF2?

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.

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

Detrimental the length of the object shown 1. 97.8mm 2. 97.80 mm 3. 97mm 4. 98mm