What is the oxidation number of free elements?

What precipitate forms when mixing copper(II) sulfate and sodium sulfate?

Which protein makes up the thick filaments? 

What is the oxidation number of Mn in a permanganate anion?

Which is the correct balanced reaction for the combustion of octane C8H18 ?

The correct electron-dot structure for HCN shows:

Bonus Essay 1: 10 points Describe a work using trompe l’oeil from the key works from chapters 1-5. For credit, please… name the work name the artist give the media, and explain in detail what the artist communicated through the form of his or her artwork (2 points).   Minimum word requirement: 150 words Five valid points must be made to receive full credit.  Do not repeat the questions in your response. Feel free to go as long as you need to convey your point. Please use correct grammar, full sentences, and refrain from ALL CAPS or text language.  Grammar will count 20% of all written assignments.

Optic disc where the optic nerve leaves the eyeball

Bonus Essay 2: 10 points Consider the painting, Arnolfini Double Portrait. Discuss three symbols within it that reveal the possible iconography of the work. Then explain an alternate interpretation of the work relating to the meaning of the same objects. Please also give the artist’s name in your response.   Minimum word requirement: 150 words 10 valid points must be made to receive full credit.  Do not repeat the questions in your response. Feel free to go as long as you need to convey your point. Please use correct grammar, full sentences, and refrain from ALL CAPS or text language.  Grammar will count 20% of all written assignments.

Finish out the color wheel…blue-green is given.