Amolecule composed of atoms is called

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

For the following, determine the type of reaction and then give products.

What happens to the atomic radius when an elctron is lost