Apiece of copper is placed in an unknown solution. after some time, the copper becomes thinner, and the solution becomes blue. which half-reaction is correctly identified for this reaction? a. copper is reduced by losing electrons. b. copper is oxidized by gaining electrons. c. copper is reduced by gaining electrons. d. copper is oxidized by losing electrons.

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.

Name atleast 3 type of energy associated with the microwave