"The forces of attraction and the volume of the molecules" (as opposed to the volume of the container the gas is in).
A compound is two or more chemically combined elements. Fore example NaCl, CO2, H2O
The two s Orbital electrons and one d orbital electron, are the electrons that are lost by an atom of Iron when it forms the Fe3 + ion.
Lithium has the lowest. if fluorine is the highest then lithium is the lowest. i hope this helps you out!