Actually the strength
of London dispersion forces highly depend on the total number of electrons and
the area in which they are spread. We can see clearly that iodine will have the
strongest LDF's, and hence, have the highest boiling point (and melting point).
This is also the reason why iodine is a solid at room temperature, bromine is liquid
and chlorine and fluorine are gases.
The answer: for the monoatomic <span>selenium ions </span> -the ion charge of selenium is 2-, so the answer is [Se]2+ as for the monoatomic phosphorus ions -the ion charge of phosphorus is 3-, so the answer is [P]3-
Answer: The derivative of a constant term is always 0. So the acceleration of the body would be zero. Hence, the acceleration of a body moving with uniform velocity will always be zero.
