What are the units of measurement for atomic radius?

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

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

What happens to the temperature of a substance when the average kinetic energy of its particles increases?