Chemistry, 31.10.2019 06:31 kameronstebbins

What are two observations you made from viewing the solar system model?

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Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

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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.

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Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.