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Lewis Structures of Atoms and Ions 2020.notebook, Summaries of Chemistry

University of Mount UnionChemistry

Lewis Dot D. • Lewis Dot Diagram/Structure: a diagram that represents the valence electrons of an atom or ion.

Typology: Summaries

2021/2022

Uploaded on 09/12/2022

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LewisStructuresofAtomsandIons2020.notebook
1
January03,2020
Nov284:16PM
Aim: Representingthevalenceshellof
electronsforatomsandions.
Lewis Dot Diagrams
Unit6ThePeriodicTable
Topic5inReviewBook
Nov284:16PM
1. Basedontheoxidationstate,ifMagnesiumbecameanion,wouldit
gainorlose electronsandhowmany?
2.Whatistheelectronconfigurationforthemagnesium atom ?
3.Whatistheelectronconfigurationforthemagnesium ion ?
DoNow
https://www.youtube.com/watch?v=ji_25I_q4LQ
pf3
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Download Lewis Structures of Atoms and Ions 2020.notebook and more Summaries Chemistry in PDF only on Docsity!

Nov 284:16 PM

Aim: Representing the valence shell of

electrons for atoms and ions.

Lewis Dot Diagrams

Unit 6 The Periodic Table

Topic 5 in Review Book

Nov 284:16 PM

**1. Based on the oxidation state, if Magnesium became an ion, would it gain or lose electrons and how many?

  1. What is the electron configuration for the magnesiumatom?
  2. What is the electron configuration for the magnesiumion?** Do Now https://www.youtub

Nov 284:16 PM

• Lewis^ Dot^ Diagram/Structure:^ a^ diagram^ that Lewis D

represents the valence electrons of an atom or ion.

  • Ex:

Sr S

Strontium atom Sulfur atom

Nov 284:16 PM

  • Lewis^ Dot^ Diagram/Structure:^ a^ diagram^ that

represents the valence electrons of an atom or ion.

  • Ex:
  1. (^) Draw the element symbol.
  2. (^) Draw the # of valence e‐ as dots around the symbol.
  3. (^) DO NOT DRAW MORE THAN 2e‐ on any one side of the symbol.
  4. (^) Maximum # valence e‐= 8

Sr S

Strontium atom Sulfur^ atom

Nov 284:16 PM

Practice:

a. Phosphorus atom b. Calcium atom c. Iodine atom d. Neon atom Nov 284:16 PM

To draw a L.D.D. for an ION:

METAL CATION

  • Barium^ atom
  • Barium^ ion

NONMETAL ANION

  • Nitrogen atom
  • Nitride^ ion

Nov 284:16 PM

L.D.D. Rules

atom: shows # of valence e‐ on the periodic table. ‐No more than 2e‐ drawn on any one side. positive ion: NO e‐ drawn to show the ion formed by losing e‐ ‐Draw the charge (oxidation #) and brackets. negative ion: draw a full valence shell of e‐ to show the ion formed by gaining e‐ ‐Draw the charge (oxidation #) and brackets. Nov 284:16 PM

1) F

2) P

  1. Ca
  2. N
  3. Fe
  4. Ar
  5. K

Draw Lewis structures for the following atoms.

  1. Mg
  2. S
  3. Li
  4. Zn
  5. C
  6. I
  7. Ba
  8. Al
  9. H
  10. Xe
  11. Cu
  12. He (^) 15) O