Fluorine has a covalent oxide called difluorine oxide, F20. the oxygen atom is covalently to each fluorine atom.
Draw a dot and cross diagram of F20 and predict the bond angle in the oxide. Explain your
prediction.
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In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel