How does the number of osmoles factor in when trying to calculate the molar mass of a substance?

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

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?