A Level Chemical Bonding Dot and Cross Diagrams JavaScript Simulation Applet HTML5

 

 

 

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Translations

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Software Requirements

SoftwareRequirements


Android iOS Windows MacOS
with best with Chrome Chrome Chrome Chrome
support full-screen? Yes. Chrome/Opera No. Firefox/ Samsung Internet Not yet Yes Yes
cannot work on some mobile browser that don't understand JavaScript such as.....
cannot work on Internet Explorer 9 and below

 

Credits

Written by Loo Kang Wee; Felix J. Garcia Clemente; Francisco Esquembre; Designed by David Loh

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Sample Learning Goals

This simulation is the same as the O level one except for the last question "sulfate(IV) ions, SO₃²⁻"

For Teachers

From Google slides (From David) to interactive https://docs.google.com/presentation/d/1fwutLc-jPc1fUyrxJsps3Fhg6_J9y8AEA4pHJ68gdBw/edit?ts=5dd2086a#slide=id.g5292a6c619_0_96

Chemical Bonding  Dot and Cross Diagrams

Polyatomic ions dot and cross diagram

Chemical Bonding  Dot and Cross Diagrams for Hydrogen molecule

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Hydrogen molecule

answer is add up to 2 on each H atom electron outermost with shared electrons = 2

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Chemical Bonding  Dot and Cross Diagrams for Chlorine molecule

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Chemical Bonding  Dot and Cross Diagrams for Chlorine molecule

answer is add up to 8 on each atom's' electron outermost shell with shared electrons = 2

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Oxygen molecule

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Chemical Bonding  Dot and Cross Diagrams for Oxygen molecule

answer is is add up to 8 on each atom's' electron outermost shell with shared electrons = 4

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Nitrogen molecule

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Chemical Bonding  Dot and Cross Diagrams for Nitrogen molecule

answer is is add up to 8 on each atom's' electron outermost shell with shared electrons = 6

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Hydrogen Chloride molecule

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Chemical Bonding  Dot and Cross Diagrams for Hydrogen Chloride molecule

answer is is add up to 8 on Cl atom and 2 for H atom and electron outermost shell with shared electrons = 2

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Hydroxide ion

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Chemical Bonding  Dot and Cross Diagrams for Hydroxide ion

answer is is add up to 8 on O atom and 2 for H atom and electron outermost shell with shared electrons = 2

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Cyanide ion

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Chemical Bonding  Dot and Cross Diagrams for Cyanide ion

answer is is add up to 8 on each atoms and electron outermost shell with shared electrons = 6

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Water molecule

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Water molecule

answer is is add up to 8 on O atom and 2 on H atoms and electron outermost shell with shared electrons = 2,2 respectively

Direct Link

https://iwant2study.org/ospsgx/index.php/922

 

Chemical Bonding  Dot and Cross Diagrams for Carbon Dioxide molecule

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Carbon Dioxide molecule

answer is is add up to 8 on each atom and electron outermost shell with shared electrons = 4,4 respectively

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Nitrite ion

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Nitrite ion

answer is is add up to 8 on each atom and electron outermost shell with shared electrons = 2,4 respectively with the foreign electron on the O atom with the shared electrons=2

Direct Link

https://iwant2study.org/ospsgx/index.php/922

 

Chemical Bonding  Dot and Cross Diagrams for Nitrite ion

answer is is add up to 8 on each atom and electron outermost shell with shared electrons = 2,4 respectively with the foreign electron on the O atom with the shared electrons=2

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Ammonia molecule

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Ammonia molecule

answer is is add up to 8 on N atom and 2 on H atom and the electron outermost shell with shared electrons = 2,2,2 respectively

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Methane molecule

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Chemical Bonding  Dot and Cross Diagrams for Methane molecule

answer is is add up to 8 on C atom and 2 on H atom and the electron outermost shell with shared electrons = 2,2,2, respectively

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Carbonate ion

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Carbonate ion

answer is is add up to 8 on each atom and the electron outermost shell with shared electrons = 4,2,2, respectively. The two O atoms with 2 shared electrons has a foreign electron in it's personal shell.

Direct Link

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Chemical Bonding  Dot and Cross Diagrams for Hydrogen Peroxide

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Chemical Bonding  Dot and Cross Diagrams for Hydrogen Peroxide

answer is is add up to 8 electrons on each O atom and 2 for H atom, the electron outermost shell with shared electrons = 2,2,2, respectively. 

Direct Link

https://iwant2study.org/ospsgx/index.php/922

Video

[text]

 Version:

  1. https://weelookang.blogspot.com/2019/12/chemical-bonding-dot-and-cross-diagrams.html
  2. https://sites.google.com/a/mgs.sch.edu.sg/about-me-david-loh/

Other Resources

[text]

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