9. Within an ionic compound, which type of ion goes last when writing and naming a formula? A. Cations
B. Anions

and
10. A covalent chemical bond is between a
A. Metal & Non-Metal
B. Metal & Metal
C. Non-Metal & Non-Metal
11. The chemical bond formed when two atoms transfer electrons is called a(n)
A. Lewis structure
C. ionic bond.
B. orbital bond.
D. covalent bond.

Using this reversible reaction, answer the questions below: n2o4 2no2 (colorless) (reddish-brown) -as the temperature increased, what happened to the n2o4 concentration? -was the formation of reactants or products favored by the addition of heat? -which reaction is exothermic? right to left or left to right? -if the change of enthalpy of this reaction when proceeding left to right is 14 kcal, which chemical equation is correct? n2o4 2no2 + 14 kcal n2o4 2no2, hr = +14 kcal n2o4 + 14 kcal 2no2 n2o4 2no2, hr = -14 kcal