States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
complete #13 & #14, use #15 as an example!
![15.
SO32-
Total # of Valence Electrons: 26
Lewis Structure (show all resonance structures if applicable)
(-1)
[
(-1)
:0
(-1)
-Ö:
J
since is more
(-1)
(-1)
:0=S—0:
I
:0:
:0-S=0:
(-1)
Any polar bonds in the molecule? Yes No
Total #
valence cs
= 6+ 3(6) +2 = 26
Polar
lectronegative
1
3-D Model Sketch
:0
[ 0 = 1
+]
:0:
= 3
Bond fairs:
Love pairs = 1
Total clechon pairs = 4
:Ö:
than O, 5-0 bonds
4
are polar.
Bond Angles
Molecular Shape: Trigonal Pyramidal
Molecular Polarity: Polar Non-Polar
109.5°](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4200bda6-0630-44a7-a2e4-58c2881d874d%2F2d69cb87-8d56-4e69-9a5d-c65d75c2644f%2Ft6rx44_processed.jpeg&w=3840&q=75)
![NO3
13.
Total # of Valence Electrons: 24
Lewis Structure (show all resonance structures if applicable)
:O:
:Ö:
0-N=0
:O:
0-N-O:
Any polar bonds in the molecule? Yes No
SO3
14.
Total # of Valence Electrons:
Lewis Structure (show all resonance structures if applicable)
Any polar bonds in the molecule? Yes No
3-D Model Sketch
Molecular Shape:Trigonal Planar
Molecular Polarity:
Polar
3-D Model Sketch
Molecular Shape:
Molecular Polarity:
Polar
Bond Angles
Non-Polar
120°
Bond Angles
Non-Polar](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4200bda6-0630-44a7-a2e4-58c2881d874d%2F2d69cb87-8d56-4e69-9a5d-c65d75c2644f%2F25qu5d9_processed.jpeg&w=3840&q=75)
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