Determine the radius of the electrons orbit
In a simple model of the hydrogen atom, the electron revolves in a circular orbit around the proton with a speed of 2.2*106 m/s. Determine the radius of the electron's orbit.
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Calculate the electric potential due to a dipole whose dipole moment is 4.5×10-30 C*m at a point 1.4×10-9 m away. If this point is 30*above the axis but nearer the positive charge.
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How could you determine whether a white powder was zinc sulfide or sodium carbonate using a hydrochloric acid solution? Write balanced equations.
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