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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1 comment:

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

    Regards,
    Creately

    ReplyDelete