Chemistry 1-23-20 Half Life

CHEMISTRY: Have these banana’s been through too many half lives for you?? Great job thinking through the half-life problems! Be sure and practice, practice, practice! They aren’t super difficult, but if you don’t practice, you’ll be as lost as a ball in high weeds!!

HOMEWORK FOR THURSDAY (Due Friday): Pg. 672 – 674; 21, 26 – 33, 40, 42

What about the Half Life thLab? Now may be the time to get started since next week will be a busy week! Be sure and read the lab ahead of time so you’ll be prepared with the materials you need. Also, be sure and check out the post where you’ll put your results!


flickr photo by Per Pettersson

7th Period Chem Half-Life Simulation Lab

Hey guys – this is where 7th Period Chemistry posts results for the Half-Life Simulation lab. You’ll just list your data from the first data table as a comment – just like you comment every week, except this time you are just listing the data from the first data table.

Don’t forget that your results must be posted by Monday, Jan. 27, by 8:00 A.M. The lab report is due by 8:00 A.M. on Friday, Jan. 31 – save as a PDF to both your Google Drive Chemistry Shared folder AND turnitin.com.

Remember, you don’t have to use candies; you may use coins or anything else that has two sides. Please note that you are to post the number of “radioactive” nuclides remaining after each toss.

Just to clarify, everything on the lab sheets will go in your lab report on that you will post on Google Drive: Title, Objective, Procedure, Observations (with data table), Conclusion, and Questions. Don’t forget that your graph needs to be either a full page graph that you do on Excel or a similar program, or you can draw a full page graph on graph paper, scan a very clean, sharp copy and copy it into your lab report. And don’t forget that the analysis questions, calculations, graph, etc., go after your conclusion.

Happy counting – and wait until AFTER the lab to snack!! πŸ™‚

M&M's
flickr photo by Jared Browarnik

6th Period Chem Half-Life Simulation Lab

Hey guys – this is where 6th Period Chemistry posts results for the Half-Life Simulation lab. You’ll just list your data from the first data table as a comment – just like you comment every week, except this time you are just listing the data from the first data table.

Don’t forget that your results must be posted by Monday, Jan. 27, by 8:00 A.M. The lab report is due by 8:00 A.M. on Friday, Jan. 31 – save as a PDF to both your Google Drive Chemistry Shared folder AND turnitin.com.

Remember, you don’t have to use candies; you may use coins or anything else that has two sides. Please note that you are to post the number of “radioactive” nuclides remaining after each toss.

Just to clarify, everything on the lab sheets will go in your lab report on that you will post on Google Drive: Title, Objective, Procedure, Observations (with data table), Conclusion, and Questions. Don’t forget that your graph needs to be either a full page graph that you do on Excel or a similar program, or you can draw a full page graph on graph paper, scan a very clean, sharp copy and copy it into your lab report. And don’t forget that the analysis questions, calculations, graph, etc., go after your conclusion.

Happy counting – and wait until AFTER the lab to snack!! πŸ™‚

M&M's
flickr photo by Jared Browarnik

4th Period Chem Half-Life Simulation Lab

Hey guys – this is where 4th Period Chemistry posts results for the Half-Life Simulation lab. You’ll just list your data from the first data table as a comment – just like you comment every week, except this time you are just listing the data from the first data table.

Don’t forget that your results must be posted by Monday, Jan. 27, by 8:00 A.M. The lab report is due by 8:00 A.M. on Friday, Jan. 31 – save as a PDF to both your Google Drive Chemistry Shared folder AND turnitin.com.

Remember, you don’t have to use candies; you may use coins or anything else that has two sides. Please note that you are to post the number of “radioactive” nuclides remaining after each toss.

Just to clarify, everything on the lab sheets will go in your lab report on that you will post on Google Drive: Title, Objective, Procedure, Observations (with data table), Conclusion, and Questions. Don’t forget that your graph needs to be either a full page graph that you do on Excel or a similar program, or you can draw a full page graph on graph paper, scan a very clean, sharp copy and copy it into your lab report. And don’t forget that the analysis questions, calculations, graph, etc., go after your conclusion.

Happy counting – and wait until AFTER the lab to snack!! πŸ™‚

M&M's
flickr photo by Jared Browarnik

3rd Period Chem Half-Life Simulation Lab

Hey guys – this is where 3rd Period Chemistry posts results for the Half-Life Simulation lab. You’ll just list your data from the first data table as a comment – just like you comment every week, except this time you are just listing the data from the first data table.

Don’t forget that your results must be posted by Monday, Jan. 27, by 8:00 A.M. The lab report is due by 8:00 A.M. on Friday, Jan. 31 – save as a PDF to both your Google Drive Chemistry Shared folder AND turnitin.com.

Remember, you don’t have to use candies; you may use coins or anything else that has two sides. Please note that you are to post the number of “radioactive” nuclides remaining after each toss.

Just to clarify, everything on the lab sheets will go in your lab report on that you will post on Google Drive: Title, Objective, Procedure, Observations (with data table), Conclusion, and Questions. Don’t forget that your graph needs to be either a full page graph that you do on Excel or a similar program, or you can draw a full page graph on graph paper, scan a very clean, sharp copy and copy it into your lab report. And don’t forget that the analysis questions, calculations, graph, etc., go after your conclusion.

Happy counting – and wait until AFTER the lab to snack!! πŸ™‚

M&M's
flickr photo by Jared Browarnik

Chemistry 1-20-20 Properties of Radioactive Isotopes & Radioactive Decay

CHEMISTRY: Great job today with nuclear equations! Today we finished talking about the properties of radioactive nuclides, and then it was all about types of nuclear decay and nuclear equations and arrows and where to put them! πŸ™‚

HOMEWORK UPDATE FOR THURSDAY (Due Friday): Pg. 672 – 674; 21, 26 – 33, 40, 42

So how did you do with the nuclear equations today? Make sure you know what side of the arrow to put the particle on! Also, make sure you memorize the nuclear symbols for alpha particles, beta particles (electrons), positrons, neutrons, and protons – those are just as important as the arrow!


Photo by Gaelle Marcel

Chemistry 1-21-20 Properties of Radioactive Isotopes

CHEMISTRY: So ordinarily it looks like just any old hunk of rock, but this is a picture of uranium ore under UV light. Pretty cool, huh?!? Here’s our beginning discussion of the unique properties of radioactive nuclides, and a head start at looking at nuclear equations.

HW UPDATE FOR MONDAY:
3rd Period: Pg. 672 – 674; 11 – 21, 30 – 33, 40, 42
4th, 6th, 7th Periods: No homework, the assignment will be moved to Thursday night.

Have you looked over the half-life simulation lab? It’s one of easiest labs you’ve done, but it does require that you READ the instructions on the syllabus and the website. If there is something you don’t understand, I’ll be glad to help!

Chemistry 1-17-20 Intro to Radioactivity

CHEMISTRY: Great start to a new chapter! I think you’ll be surprised how much nuclear chemistry is already a part of your everyday life. Also now you know where E=mc2 came from!!

By the way, you ought to read about the life of Marie Cure when you get a chance. Fascinating woman of science with an incredible story!

Chemistry 1-15-20 Isotopes & Average Atomic Mass

CHEMISTRY: Isn’t God awesome to give us minds to understand the world around us – even the parts we can’t see!

Here’s the discussion from Wednesday on isotopes and average atomic mass. How are you doing on writing nuclear symbols? Also make sure you can use them to determine the number of protons, neutrons, electrons, etc., AND be sure you can use the formula to find average atomic mass!

Can you believe atoms are that small – and the nucleus even waaaaaay smaller! The thumbnail is a picture of atoms from the IBM Almaden Research Center. These are iron atoms on top of copper. Being able to move atoms around like this was a giant leap in the field of nanotechnology! (Sorry about that, bad pun! πŸ™‚ )


Image source IBM Almaden Research Center

Chemistry 1-15-20 Structure of the Atom

CHEMISTRY – Chocolate chip cookie dough model of the atom? That’s what Thompson thought the atom must look like! Here’s our discussion of how scientists began to determine the structure of the atom and the existence of subatomic particles. For each, make sure you know the name of the scientists, the name of their experiments, be able to draw a diagram of their experiment, and describe how they interpreted the experimental results that led to their discoveries. Wow, that’s a mouthful!

As we continue the explore the discovery of the structure of the atom, here are some video clips that I want everyone to watch that will help make things a bit clearer. Click here for the video on the Cathode Ray Tube Experiment that Thompson did, and also for the video clips that I want you to watch on The Discovery of the Electron and The Discovery of the Nucleus. All of these will be great tools in studying for the test!


flickr photo by pixxiestails