7 Module 3. Elements and compounds 71. (03.05 MC)
Use complete sentences to differentiate between acids and bases on the basis of touch. Give an example of each type. (10
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12.(03.06 LC)

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

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 is the maximum number of electrons that an atomic orbital can contain?