Drawing dot- and- cross diagrams, showing all electrons.

You will need to know how to determine the electronic configuration, before using the method described below, to draw the dot- and- cross diagrams.

Click this link to learn how to determine electronic configuration.


For this section, I will give examples, and the answer. I will created an entry with the thought process, showing each step to get the final answer.


Part 1: Dot- and- cross diagram for atom



Question: Draw a dot- and- cross diagram for oxygen atom, showing all electrons.

The electronic configuration of oxygen is (2,6):


electronic configuration of oxygen atom, o level chemistry, o level chemical bonding
Dot- and- Cross diagram for oxygen atom


Question: Draw a dot- and- cross diagram for calcium atom, showing all electrons.

The electronic configuration of calcium is (2,8,8,2):
electronic configuration of calcium atom, o level chemistry, o level chemical bonding
Dot- and- cross diagram for calcium atom


Part 2: Dot- and- cross diagram for Ionic Compounds

Recap - Ionic compounds are made of metals and non- metals.



Question: Draw a dot- and- cross diagram for calcium oxide, showing all electrons.


Answer:
ionic compound dot and cross diagram, electronic configuration, o level chemistry, o level chemical bonding
Dot- and- cross diagram for ionic compound -- calcium oxide
  


Question: Draw a dot- and- cross diagram for magnesium fluoride, showing all electrons.

Answer:

dot and cross diagram for ionic compound, magnesium fluoride, electronic configuration, o level chemistry, o level chemical bonding
Dot- and- cross diagram for ionic compound -- magnesium fluoride


Part 3: Dot- and- cross diagrams for simple molecules (covalent molecules).


Recap - Covalent molecules are made up of two of more atoms of non- metals.



Question: Draw a dot- and- cross diagram for oxygen molecule, O2.

Answer:


oxygen molecule, dot- and- cross diagram, periodic table, electronic configuration, o level chemistry, o level chemical bonding
Dot- and- cross diagram for oxygen molecule




Question: Draw a dot- and- cross diagram for chlorine molecule, Cl2.


Answer:


covalent molecule dot and cross diagram, chlorine molecule, electronic configuration, o level chemistry, o level chemical bonding
Dot- and- cross diagram for chlorine molecule



Question: Draw a dot- and- cross diagram for ammonia, NH3.

Answer:


dot- and - cross diagram for ammonia molecule, covalent compounds, electronic configuration, o level chemistry, o level chemical bonding
Dot- and- cross diagram for ammonia




Question: Draw a dot- and- cross diagram for methane, CH4.

Answer:


electronic configuration, periodic table, dot and cross diagram for covalent molecules, methane, o level chemistry, o level chemical bonding
Dot- and- cross diagram for methane





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3 comments:

  1. Nice electronic diagrams. Not much to find on the internet could you please post some templates as well?

    Regards,
    Creately

    ReplyDelete
  2. This is really nice to read content of this blog. A is very extensive and vast knowledgeable platform has been given by this blog. I really appreciate this blog to has such kind of educational knowledge.
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    ReplyDelete
    Replies
    1. Hi BIscosta,

      Many thanks for the kind words.
      Are there other items which you would love to see on this blog? Let me know!

      Delete