University:
Texas State University
Course:
CHEM 1320 | Foundations of Chemistry
Academic year:

2024
Views:

124

Pages:

8
Author:

Lily Callahan

How to Draw Bohr Diagrams: Determine the number of protons and electrons (Same as atomic number in a neutral atom) Determine the number of neutrons (Mass - atomic number) Determine the number of energy levels (Same as period - horizontal row) Determine the number of valence electrons (Same as group - vertical row) Draw the Bohr Diagrams for the assigned element. VALENCE ELECTRONS The electrons close to the nucleus are held more tightly (have a stronger bond) than those farther from the nucleus. As you go farther from the nucleus, the energy level increases. How to draw Lewis dot: Determine the group number Determine the element symbol Determine the number of valence electrons (Same as group number (for two digit numbers, take off the one)) Draw the dots around the element starting at 12 then 3 then 6 then 9 The number of valence electrons in an atom of an element determines properties of that element, including how well the atom bonds with other atoms. An atom's valence electrons are those electrons that have the highest energy level and are held most loosely. The electrons close to the nucleus are held more tightly (have a stronger bond) than those farther from the nucleus. As you go farther from the nucleus, the energy level increases. How to draw Lewis dot: Determine the group number Determine the element symbol Determine the number of valence electrons (Same as group number (for two digit numbers, take off the one)) Draw the dots around the element starting at 12 then 3 then 6 then 9

Bohr Model

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