Sodium oxide is an ionic compound made up of sodium and oxygen atoms. Sodium has one valance electron, and oxygen has six balance electrons. which is the ratio of sodium to oxygen atoms in sodium oxide? a. 1 : 2
b. 1 : 6
c. 2 : 1
d. 6 : 1

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Express the following number in scientific notation. 0.026890 =

Amixture with the same composition throughout is!