What is another name for a sub-level?
a: quantum
b: orbital
c: orbit
d: energy level

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.

What are the chemical names of these compounds? ke: mg3n2: reset next

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat