Ionic compounds can conduct electricity when dissolved in water or melted, because

a. the ions are fixed in place.
b. they have shared electrons.
c. the ions are free to move.
d. they have no ions to contribute to the solution.

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other