All answers should be rounded to the nearest tenth. (One decimal place) Find the mass in grams of 5.40 x 1023 molecules of I2he periodic trend of each factor that affects the force of attraction

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Table sugar completely dissolved in water is an example of a?

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.