Which model of the atom first introduced the idea of a nucleus?

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?