How was bohr’s atomic model different from rutherford’s atomic model? a. bohr’s model accounted for electrons that have different charges. b. bohr’s model could explain the structure of the nucleus. c. bohr’s model showed that electron orbits had distinct radii. d. bohr’s model could explain the wave nature of electrons. e. bohr’s model proved that atoms are unstable in nature.

What volume would 2.25 moles of ne has occupy at stp?

Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6