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by BlastRoom
Practice counting valence electrons and checking covalent Lewis structures.
#chemistry
24 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
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Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
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Sell tours. Nice, standard, or a total scam.
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More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
The figure shows a proposed Lewis structure for CO2. Which judgment is correct?
The figure shows a Lewis structure for NH3. What is the best judgment?
A proposed Lewis structure for CH4 is shown. Which judgment is correct?
The figure shows a Lewis structure for HCl. Which judgment is correct?
The figure shows a proposed Lewis structure for O2. Which judgment is correct?
A Lewis structure for N2 is shown. What is the correct judgment?
The figure shows a Lewis structure for CCl4. Which judgment is correct?
The figure shows a proposed Lewis structure for H2S. What is wrong with it?
The figure shows an incorrect Lewis structure for N2. What change gives the correct Lewis structure?
The figure shows an incorrect Lewis structure for CO2. Which correction makes the best Lewis structure?
The figure shows an incomplete Lewis structure for HCN. Which change completes the usual Lewis structure?
The figure shows an incorrect Lewis structure for C2H4. What correction is needed?
The figure shows an incorrect Lewis structure for H2CO. Which correction gives carbon an octet?
The figure shows an incorrect Lewis structure for C2H2. What change is needed?
The figure shows an incomplete Lewis structure for F2. What correction completes the structure?
The figure shows an incomplete Lewis structure for PCl3. What should be added?
How many total valence electrons are available for the Lewis structure of H2O2?
How many valence electrons should be counted before drawing SiH4?
What is the total number of valence electrons in OF2?
How many valence electrons are available for CF4?
Before drawing NCl3, how many total valence electrons should be counted?
In HCN, hydrogen forms one bond and carbon is between H and N. Which C-N bond is needed for carbon and nitrogen to reach full outer shells?
Carbon is the central atom in CO2. Which bonding pattern gives carbon and both oxygen atoms octets?
In C2H4, each carbon is bonded to two hydrogens and to the other carbon. What C-C bond lets both carbons reach octets?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Bond Polarity and Molecular Polarity
20 questions
