The arrangement of electrons in energy shells is called the: a. electron configuration b. atomic arrangement c. atomic molecular structure d. electron energy pattern

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

2. how is heavy water different from normal water

Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.