8. What does blood bring to your cells? 10 points
a. oxygen poor blood and nutrients
Ob only nutrients
c oxygen nich blood and nutrients
O d. only oxygen

Calculate the number of molecules present in 0.750 mol of mgo.

What are the 4 phases of matter in order of increasing engery content?

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.