Provide the formula for the following compounds. You may submit your response in the box below using the text editing tools or upload a photo of a written response at the end of the test. Please mark the problem clearly and show your work. magnesium bromide cobalt(II) sulfate ammonium hydroxide       potassium cyanide sodium carbonate calcium phosphate     Formula of 1:                    Formula of 2:                    Formula of 3:   Formula of 4:                    Formula of 5:                    Formula of 6:

O2 Draw the Lewis structure on a separate piece of paper. Show your work and label the question number clearly. You will upload a photo of your response at the end of the test.

What are the differences between a cation and an anion?

Give the charge that would be on each of the following atoms if ionized. Ba     [ba] I        [i] Ag    [ag] Cu(I)  [cui] O      [o] Rb     [rb] P       [p] OH   [oh] Cr(IV)  [criv] H         [h]  

Draw the Lewis structure for each of the following compounds. Work out the problem on a separate piece of paper and upload a photo of your response at the end of the test. Please mark the problem clearly and show your work. CH4:                         CH3Cl:                         CH2Cl2:       CHCl3:                      CCl4:

Predict the hybridization and molecular shape of PH3.

H2S Molecular Shape: [shape] Hybridization of the central atom [hybridization] Common name or IUPAC name: [name] Number of sigma bonds: [sigma] Number of pi bonds: [pi]

The water molecule has a dipole with the negative portion ________.

The name of the SO42− ion is ________.

Name the following compounds: A. Fe2O3 B. FeCl2 C. Na2S D. Al2O3   Name of A: [iron3oxide]     Name of B: [iron2chloride] Name of C: [Sodiumsulfide]     Name of D: [aluminumOxide]