HELP HELP HELP!! Explain the various factors that impact the solubility of substances in water.

Can someone me with these questions plz.

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles