Quiz Reflection and Atomic Structure

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 = __%

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

Quiz Misunderstanding #1The difference between mass and charge

Charge: think batteries…Three options:

Positive (+) No charge (0) Negative (-)

+ _0

Quiz Misunderstanding #2Tables are hard... NOT!

Subatomic Particle Charge Mass

Proton amu

amu

amu

Quiz Misunderstanding #3If you don’t know, leave it blank… NOT

No answer = no pointsEliminate, then guessFinish the entire quiz!

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

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

Friday Misunderstanding #2

The model we will use is the “Bohr Model”

Nucleus in centerProtonsNeutrons

Rings on outsideElectrons

0

0

00

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

Class Website!

lpschem.wordpress.com

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

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.”

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