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On the basis of difference in electronegativity, predict whether the subsequent pairs of elements will form and ionic or polar covalent bond
a. Al, Cl
b. Ca, I
c. K, O
d. Mn, Te and SO3 is a nonpolar molecule but SO2 is polar explain
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1. Consider the reaction when aqueous solutions of nickel(II) bromide and sodium carbonate are combined. The net ionic equation for this reaction is: 2. Net ionic equation for the reaction that occurs when aqueous so ...
An electron is ejected from a metal with a velocity 7.78 x10^5 m/s. If the metal has a threshold frequency of 9.90 x1014 Hz, what was the wavelength of the incident photon?
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