
Covalent Bonds
Presentation
•
Science
•
7th Grade
•
Practice Problem
•
Easy
Amielia Cool
Used 3+ times
FREE Resource
4 Slides • 7 Questions
1
Announcements
2
Categorize
Nitrogen
Lithium
Phosphorous
Magnesium
Argon
Xenon
Use your periodic table and identify whether each element will gain or lose electrons.
Reminder- 4 or more gain electrons, 3 or less lose electrons.
3
Drag and Drop
4
5
Draw
Practice drawing a Lewis structure using Boron.
Find the elemental symbol
What group is it in?
How many valence electrons does it have?
Draw those valence electrons on each side.
6
Atoms want a stable valence energy level
Write in the chat- how many electrons to make a stable valence energy level?
Atoms with 4+ valence electrons will GAIN electrons/ atoms
Covalent bonds- between 2 nonmetals (or with a nonmetal and metalloid
Shows valence electrons
Not good for large molecules
Great to show LARGE molecules
Doesn't show Valence electrons
7
Draw
Draw a Lewis structure for Neon-
Find it on the periodic table
What GROUP is it in?
Draw Neon's symbol
Draw the correct amount of Valence electrons around the symbol
Will it gain electrons, lose electrons, or be unchanged to be stable?
Hit submit when you're done
8
Draw
Draw a Lewis structure for Fluorine. Identify where it would want a Covalent bond.
Find it on the periodic table
What GROUP is it in?
Draw the correct amount of Valence electrons around the symbol
Identify where a covalent bond would form
Hit submit when you're done
9
Draw Lewis models of each element.
Identify the electrons that will pair up and share.
Do this until all electrons are paired
Redraw the full molecule
Write in your notes:
10
Match
Match the following atoms to the number of valence electrons it will GAIN
3
2
1
0
4
Nitrogen
Oxygen
Fluorine
Neon
Carbon
Nitrogen
Oxygen
Fluorine
Neon
Carbon
11
Draw
Draw these examples in your notes on page 53.
Choose 1 to show here:
Carbon and Hydrogen
Oxygen and Iodine
Sulfur and Fluorine
Announcements
Show answer
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