The absolute age of a rock is approximate number of years ago that the rock formed. The absolute age of an igneous rock can best be determind by A. measuring the amounts of radioactive isotopes in the rock
B. comparing the sizes of the crystals found in the upper and lower parts of a rock
C. examining the rock's relative position in a rock outcrop
D. observing the environment in which the rock is found

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol

Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation