Select the correct answer. How are ionic bonds formed?

A.
by the disintegration of one or more electrons

B.
by the sharing of one or more electrons between two atoms

C.
by the transfer of one or more electrons from one atom to another

D.
by the disintegration of one or more protons

How do you convert 4 mmol of bromobenzene to ml?

The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d