What is formed when polyatomic ions bond with other ions? O ionic compounds
O neutral compounds
ionic elements
O neutral elements

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

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.

The excretory system,need answers for all: )