CheMagic Editable Worksheet & Virtual Molecular Model Kit
JmolJMECheMagic
Default New Edit Page Problem Set

Worksheet Instructions - Load Editor Help Page

Depending on the question type, answers in the worksheet can be entered in one three ways:

1) Text Question: Enter your answer in the text box and press the Enter Key to check your answer.
2) Model Question: Click the Show Model link to display the Jmol Virtual Model Kit; carry out the model kit actions requested in the question; click the Check Your Model button to check your work.
3) Drawing Question: Click the Show Draw link to display the JSME Molecular Editor; carry out the editor actions requested in the question; click the Check Your Drawing button to check your work.

NOTE: Some questions that involve the model kit and the molecular editor may require a text response. In these cases, the text box will replace the Check Your Model and Check Your Drawing buttons.

This exercise worksheet uses HTML5 and Browser Local Storage. Your Browser meets both of these requirements.


1. Which is the most electronegative element in this list: C, H, N, or O? Type the elements symbol in the text box (case sensitive). Press enter to check your answer.

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gi fgzaaazaadzaadza0aziizaafzcc gczaa0ziizaaazaadzaadza0aziizaafzdfzcbzfgza0dza0aziiza0gzcbzaabza0azaadza0ezaaaza00za0eziizcbzaafzigzihza0hza0azcbzaadzaaazaaizcbza0aza0hza0aziizaafzaadzaaazaa0za0aza0czigzaafza0ezaahza0ezaafzabazcbzaafzaadza0azaa0za00zdfzcbzfeza0hzaaezaaazcbziiza0dza0aziiza0gzcbzaafza0dza0azcbziizigzaaeza0azcbzaaaza0bzcbzabazaaazaagzchzigzaabzaaazaaezeizaadza0azcbzigzaa0zaaezaaiza0azaadzdf

2. Click the Show Model link. In the resulting model window, what functional group is present in the model in the model kit window? Type the functional group name in the text box. Press enter to check your answer.

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igza0hza00za0aza0dzabaza00za0a hdza0dzigzaafzchzigzaabzaaazaaezeizaaezcbzaadza0eza0cza0dzaafzdf hczaaazaadzaadzabazddzcbzaafzaadzabazcbzigza0czigza0ezaa0zdf string|__Jmol-14_07031821373D 1 1.00000 0.00000 0|Jmol version 14.29.14 2018-05-14 07:48 EXTRACT: ({0:16})| 17 17 0 0 0 0 999 V2000| -0.1284 -0.1767 0.0394 C 0 0 1 0 0 0| 0.5525 0.5967 0.4187 H 0 0 0 0 0 0| 0.5566 -1.4802 -0.3596 C 0 0 2 0 0 0| -1.1497 -0.5655 1.0841 C 0 0 2 0 0 0| -0.6413 0.2483 -0.8328 H 0 0 0 0 0 0| -1.9667 0.1546 1.1533 H 0 0 0 0 0 0| -0.6751 -0.6399 2.0728 H 0 0 0 0 0 0| -1.6099 -1.9254 0.6191 C 0 0 2 0 0 0| -2.1425 -2.4782 1.4014 H 0 0 0 0 0 0| -0.3242 -2.6054 0.1973 C 0 0 1 0 0 0| -2.2875 -1.8219 -0.2395 H 0 0 0 0 0 0| 1.9771 -1.5042 0.1640 C 0 0 0 0 0 0| 0.6256 -1.5651 -1.4516 H 0 0 0 0 0 0| -0.5184 -3.3822 -0.5549 H 0 0 0 0 0 0| 0.1348 -3.1020 1.0566 H 0 0 0 0 0 0| 2.8090 -0.6635 -0.1376 O 0 0 0 0 0 0| 2.2430 -2.3323 0.8436 H 0 0 0 0 0 0| 1 2 1 0 0 0| 1 3 1 0 0 0| 1 4 1 0 0 0| 1 5 1 0 0 0| 6 4 1 0 0 0| 7 4 1 0 0 0| 8 4 1 0 0 0| 9 8 1 0 0 0| 10 8 1 0 0 0| 11 8 1 0 0 0| 3 10 1 0 0 0| 12 3 1 0 0 0| 13 3 1 0 0 0| 14 10 1 0 0 0| 15 10 1 0 0 0| 16 12 2 0 0 0| 17 12 1 0 0 0|M END|

3. Click the Show Model link. The resulting model window contains a model of methane. Use the model kit to convert methane to a model of 2,4-dimethylpentane. Check your model by clicking the Check Your Model button.

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fgzfgzd0zfgzdazfgzfgzd0zfgzdazfg fgzaaazaadzaadza0aziizaaf gczaa0ziizaaazaadzaadza0aziizaaf string|__Jmol-14_07031821373D 1 1.00000 0.00000 0|Jmol version 14.29.14 2018-05-14 07:48 EXTRACT: ({0:4})| 5 4 0 0 0 0 999 V2000| 0.0000 0.0000 0.0000 C 0 0 0 0 0 0| 0.5541 0.7996 0.4965 H 0 0 0 0 0 0| 0.6833 -0.8134 -0.2536 H 0 0 0 0 0 0| -0.7782 -0.3735 0.6692 H 0 0 0 0 0 0| -0.4593 0.3874 -0.9121 H 0 0 0 0 0 0| 1 2 1 0 0 0| 1 3 1 0 0 0| 1 4 1 0 0 0| 1 5 1 0 0 0|M END|

4. Click the Show Model link. Use the Torsion button in the model kit to measure the Br-C-C-Br torsion angle in the model of 1,2-dibromocyclohexane shown in the model window. Clicking the Torsion button prints measurement instructions in the model window. After measuring the angle, type your answer in the text box and press enter to check your answer.

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dezedzeazabdzeb fgzaaazaadzaadza0aziizaafzehzcbzdczdgzdezcbzebzcbza00za0aza0czaadza0aza0azaae gczaa0ziizaaazaadzaadza0aziizaaf string|__Jmol-14_07031821383D 1 1.00000 0.00000 0|Jmol version 14.29.14 2018-05-14 07:48 EXTRACT: ({0:17})| 18 18 0 0 0 0 999 V2000| 0.7945 -1.4756 -0.2388 H 0 0 0 0 0 0| 1.0429 2.3329 0.6466 Br 0 0 0 0 0 0| 0.7329 -0.5929 0.4096 C 0 0 1 0 0 0| 0.9519 0.6648 -0.4443 C 0 0 1 0 0 0| -0.6410 -0.6319 1.1000 C 0 0 2 0 0 0| -0.1675 0.8061 -1.4733 C 0 0 2 0 0 0| -1.7432 -0.5078 0.0396 C 0 0 2 0 0 0| -1.5625 0.7295 -0.8472 C 0 0 2 0 0 0| 1.9197 0.6254 -0.9502 H 0 0 0 0 0 0| -0.7455 0.1641 1.8435 H 0 0 0 0 0 0| -0.7731 -1.5733 1.6490 H 0 0 0 0 0 0| -0.0670 -0.0056 -2.2065 H 0 0 0 0 0 0| -0.0618 1.7388 -2.0331 H 0 0 0 0 0 0| -2.7292 -0.4786 0.5113 H 0 0 0 0 0 0| -1.7313 -1.3979 -0.5954 H 0 0 0 0 0 0| -2.3116 0.7254 -1.6412 H 0 0 0 0 0 0| -1.7563 1.6319 -0.2529 H 0 0 0 0 0 0| 2.2604 -0.8662 1.6322 Br 0 0 0 0 0 0| 1 3 1 0 0 0| 2 4 1 0 0 0| 3 4 1 0 0 0| 3 5 1 0 0 0| 4 6 1 0 0 0| 4 9 1 0 0 0| 5 7 1 0 0 0| 5 10 1 0 0 0| 5 11 1 0 0 0| 6 8 1 0 0 0| 6 12 1 0 0 0| 6 13 1 0 0 0| 7 8 1 0 0 0| 7 14 1 0 0 0| 7 15 1 0 0 0| 8 16 1 0 0 0| 8 17 1 0 0 0| 18 3 1 0 0 0|M END|

5. Click the Show Draw link. In the resulting molecular editor, draw the structure of an ester with the molecular formula C3H6O2. Check you drawing by clicking the Check Your Drawing button.

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fgzfgzd0zfazgizdazgizfg fgzaaazaadzaadza0aziizaafzdf hczaaazaadzaadzabazddzcbzaafzigza0gza0azcbzigzaa0zaaazaafza0dza0azaadzcbza0hzaaazaaaza0gzdf

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