Download - Quiz Reflection and Atomic Structure
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LaunchPick up Assessment Reflection worksheet on the
way in the door
Pick up your graded quiz at the front of class
Fill in top box and questions 1-3Our class average was __/15 = __%
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Quiz Misunderstanding #1The difference between mass and charge
Mass: the amount of “stuff”How much does it weight?Can’t be positive or negative!Units = amu
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Quiz Misunderstanding #1The difference between mass and charge
Charge: think batteries…Three options:
Positive (+) No charge (0) Negative (-)
+ _0
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Quiz Misunderstanding #2Tables are hard... NOT!
Subatomic Particle Charge Mass
Proton amu
amu
amu
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Quiz Misunderstanding #3If you don’t know, leave it blank… NOT
No answer = no pointsEliminate, then guessFinish the entire quiz!
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Pair/ShareWith your partner, complete questions 4 & 5
Make sure to give explanation for why the correct answer is correct
If more room is needed, write on the back
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Friday Misunderstanding #1
Neutron vs. NucleusA neutron is a subatomic particle
Mass: 1amuCharge: 0 (no charge)
The nucleus is the center of the atomA region/locationNot a particleSpelled: N-U-C-L-E-U-S
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Friday Misunderstanding #2
The model we will use is the “Bohr Model”
Nucleus in centerProtonsNeutrons
Rings on outsideElectrons
0
0
00
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Practice Questions Draw a 3-colored picture of the atom
Be sure to draw and label the following parts Proton (color #1) Neutron (color #2) Electron (color #3) Nucleus (pencil or pen) Rings (pencil or pen)
Fill in the following chart (using same colors):
Subatomic Particle
Charge Mass Location
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Class Website!
lpschem.wordpress.com
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Exit Slip1. An electron is negatively charged and has a mass of
a. -1 amub. 0 amuc. +1 amud. 1 amu
2. Which of the following correctly spells the term used to describe the center of an atom?
a. neucleusb. nuclusc. nucleusd. neutron
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Exit Slip3. Which subatomic particles are found in the rings?
a. electronsb. protonsc. neutronsd. both b and c
4. In 2-3 complete sentences, describe the difference between neutrons and ________ (the correct answer to question #2).
5. True or False (and if false, re-write the statement so that it is true). “If I am absent, I am not responsible for the homework assigned on the date of my absence.”
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HomeworkMake sure you binder is put together just in case
we have a random “Binder Check” later this weekRemember: one person can let the whole team
down!
Finish Practice Questions
Textbook:Pg. 89 #1Pg. 107 #2