front 1 Order the following from most electronegative (1) to least electronegative (3): Ag, Rb, I | back 1 |
front 2 Order the following from most electronegative (1) to least electronegative (3): C, Ge, Pb | back 2 |
front 3 Given the following electronegativities, what type of bonding would be expected between Ca and O: Ca is 1.2 O is 3.5 Cl is 3.0 | back 3 ionic |
front 4 Given the following electronegativities, what type of bonding would be expected between K and Br: K is 1.0 H is 2.5 Br is 3.1 | back 4 ionic |
front 5 Given the following electronegativities, what type of bonding would be expected between Na and Br: Na is 1.1 H is 2.5 Br is 3.1 | back 5 ionic |
front 6 Rank the following compounds in order from lowest (weakest) lattice energy to greatest (strongest) lattice energy. 1 being the weakest and 4 being the strongest | back 6 |
front 7 Draw the Lewis Structure of CH4. How many double bonds are present? | back 7 0 |
front 8 Draw the Lewis Structure of CH4. How many lone pairs (non-bonding pairs) are present? | back 8 0 |
front 9 Draw the Lewis Structure of NH3. How many double bonds are present? | back 9 0 |
front 10 Draw the Lewis Structure of NH3. How many lone pairs (non-bonding pairs) are present? | back 10 1 |
front 11 Draw the Lewis Structure of CO2 (OR C O2). How many double bonds are present? | back 11 2 |
front 12 Draw the Lewis Structure of CO2 (OR C O2). How many lone pairs (non-bonding pairs) are present? | back 12 4 |
front 13 Draw the Lewis Structure of NO2 -1 (OR N O2 minus). How many resonance structures can you draw? | back 13 2 |
front 14 Draw the Lewis Structure of NO3 -1 (OR N O3 minus). How many resonance structures can you draw? | back 14 3 |
front 15 Draw the Lewis Structure of NO3 -1 (OR N O3 minus). What is the formal charge of N? | back 15 +1 |
front 16 Draw the Lewis Structure of ClO3 - (OR Cl O 3 1 minus) with the lowest possible formal charge on Cl by expanding its octet. How many double bonds are present? | back 16 2 |
front 17 Draw the Lewis Structure of ClO3 - (OR Cl O 3 1 minus) with the lowest possible formal charge on Cl by expanding its octet. . How many lone pairs (non-bonding pairs) are present? | back 17 8 |
front 18 Draw the Lewis Structure of PF5 (OR P F5). How many electron pairs (not total electrons) surround the P atom. | back 18 5 |
front 19 Draw the Lewis Structure of I3 - OR (I3 minus). How many total nonbonding electrons surround the central I atom? | back 19 6 |
front 20 Using the bond energies below (kJ/mol), calculate the estimated ΔH of the reaction pictured below the table. Express your answer in kJ/mol. Screen reader note: "=" is read as a double bond. "identical to" is read as a triple bond. All other bonds are single bonds. End of note. | back 20 -183 |