(WCSU24) From the dropdowns, identify whether the compound contains ionic bonds, covalent bonds, or both. a)  SiO2  b) cobalt(II) bromide    c)  sulfur hexafluoride  d) CaCO3     Periodic Table

Is ionization energy always a positive or negative value?  Explain why in just a few words. (WCSU24)

(WCSU24) Select the appropriate word that makes each sentence true. a. Melting is . b. Intermolecular forces occur molecules.  c. When intermolecular interactions are broken, energy is .   d. The energy absorbed when liquid water vaporizes is than the energy absorbed when ice (solid water) melts.  e.   A temperature decrease is observed when NH4Cl is dissolved in water.  We can conclude that the total intermolecular interactions formed between solute and solvent are than those broken.  f. As temperature of a substance increases, kinetic energy . g. The

(WCSU24) Choose two of the compounds from question 1.  If a name is given, write the formula.  If a formula is provided, write the name.     Periodic Table

What was the primary purpose of dueling in the South?

What was the main objective of Winfield Scott’s Anaconda Plan?

Which of the following is not true regarding the consequences of Nat Turner’s Rebellion?

Which of the following was an effect of the Mexican-American War?

How does the text define manifest destiny?

What was the status at birth of most African American soldiers who served the Union army?