Describe bonding in water molecules using the VBT. Show the overlap of hybridised orbitals leading to the formation of H2O molecule. Account for the bond angle 104.5°

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

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor