A white solid Q was melted and electrolysed. A brown vapour was given off at the positive electrode, and a grey metal was formed at the negative electrode. Suggest a possible name for Q.
Q may be

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

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.