A scientist combines oxygen and hydrogeh to form water. That combination illustrates that water is a O an atom
O a mixture
O an element
O a compound

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done

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.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?