Measure the mass of 1 gram of sand

One or more substances changing into one or more substances is an example of a

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.

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc