Which of the following is a chemical change on alcohol? boiling
burning
freezing
evaporation

What is avogadro’s number, and why is it useful

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.

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles