Estradiol is best described as which of the following? an alkyne an alkene an alkane an aromatic

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.

Calcium chloride +gold(1) oxide—>

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true