An atom has 15 electrons. How many are on each shell? *
0 2,8,7
0 2,8,5
8,7
15

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

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Which statement best describes what happens when molecular compounds melt