When forming molecules, electrons are either lost, gain or share. what is the number of valence electrons atoms are trying to obtain?

7
8
18
24

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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.

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

What is a metal replacement reaction