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Laabri

Lewis Dot Diagrams (GRADED)

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Last updated over 2 years ago
32 Nsɛmmisa

Valence Electrons and Lewis Dot Diagram of period 2 elements.
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Octet Rule & Lewis dot diagram of ions
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Ionic Compounds
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Recap: Complete the questions 13 and 23.
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Challenge Yourself
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Transition metal cations. Use the image below to guide you complete this activity.
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

State the number of valence electrons for Lithium (Li) and draw its Lewis dot Diagram.

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2.

State the number of valence electrons for Beryllium (Be) and draw its Lewis dot Diagram.

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3.

State the number of valence electrons for Boron (B) and draw its Lewis dot Diagram.

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4.

State the number of valence electrons for Carbon (C) and draw its Lewis dot Diagram.

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5.

State the number of valence electrons for Nitrogen (N) and draw its Lewis dot diagram.

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6.

State the number of valence electrons for Oxygen (O) and draw its Lewis dot Diagram.

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7.

State the number of valence electrons of Fluorine (F) and draw its Lewis dot Diagram.

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8.

State the number of valence electrons of Neon (Ne) and draw its Lewis dot Diagram.

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9.

The octet rule states :

Atoms tend to gain or lose electrons in order to have valence electrons.

–How many valence electrons does CHLORINE have?

–How many more does it need to have 8?

–What will be the charge of chloride ion (Chlorine Anion) ?

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10.

How many electrons does a Chloride (Cl-) ion contain in it's outer shell? Draw the Lewis dot diagram of Chloride (Cl-) ion. Make sure to use the bracket notation.

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11.

How many valence electrons does an Aluminium atom contain? Draw its lewis dot diagram.

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12.

When an ionic compound is formed, Metals electron and non metals electrons.

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Asemmisa {{asɛmmisaAhyɛnsode}}
24.

Lithium Oxide (Li2O) has two Lithium ions and one Oxygen anion (Oxide)

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25.

Lithium cation has one less electron than Lithium atom.

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26.

Draw the Lewis dot structure for an element that will form an ion (Cation) with a charge of 3+?

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27.

Draw the Lewis dot structure for an element that will form an ion (anion) with a charge of 3- ?

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28.

What is wrong with following Lewis dot diagrams ?

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29.

What is the Formula unit of the Ionic compound: Sodium Oxide (Formed by the electron transfer between Sodium cation & Oxygen anion) ?

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30.

What would be the most likely charge of an ion, if any, that is formed by an element that has 6 dots in its Lewis dot structure?

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31.

Transition metals may lose different number of electrons and form different cations.

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32.

Iron cation is either Fe2+ or Fe4+

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