CHAPTER 4 CHEMICAL BONDING
Daltons atom story starts even before Mendeleevs
Frankland (1852) each element has a fixed valence
that determines its bonding capacity
Kekul (1858) illustrating a bond by using a dash
between bonding atoms
Prepared by O. Hogrefe
1. Matter And Measurement
Lecture slides for this course posted on Sakai are incomplete. They are
missing most of the images and contains blanks. All the necessary images
you can find in your textbook or online. And
Happy Wednesday! Go Get It!
Try not to become a person of success, try to become a
person of value. Albert Einstein
Practice Problem: In an alternate timeline, chemists and
physicists have identified more than 200 naturally
occurring elements, one of whic
Its Friday! BOOM!
We cannot solve our problems with the same thinking we
used when we created them. Albert Einstein
Atomic Number and
You should be able to
Determine average atomic mass of an element based o
CHM130 Practice Test Chapters 7, 8 and 9
Name: _ Date: _
1. _ is the passage of water and small molecules across a semipermeable membrane
from a solution of low solute concentration to a solution of higher solute concentration.
2. What is the molarity of
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