Which type of reaction occurs when nonmetal atoms become negative nonmetal ions?

A. oxidation

B. reduction

C. substitution

D. condensation

Which information would be required to determine the mass number of nitrogen?

Toxaphene is a pesticide that was applied to cotton crops. If 1.5 kg of toxaphene is applied to 1000 m3 of soil and the soil density is 1700 kg/m3, Determine the toxaphene concentration in the soil in units of ppm.

you are given 500 mL of a 5M stock solution of ammonium chloride but for your experiment, you only need 100 mL of a 0.65M solution. Explain how to make the solution you need?

Solubility of Marble? What is the solubility of Ca^2 + in normal rainwater, for which pH = 5.6?

Which of the following best characterizes the structure of diamond? a. a thin sheet b. a cubic lattice c. a round shape d. a crystalline matrix

Write an equation that shows the formation of the phosphide ion from a neutral phosphorus atom.

Which of the following terms is defined by the measure of mass per unit of volume? gravity density weight acceleration

Select the lon. O NO₂ H2SO4 O A3

True or False: A Solar eclipse occurs when Earth casts a shadow on the Moon.

To which digestione organ dose food travel it leaves the stomach