Warm-up! (11/3 and 6) On desk: Green Lab 6 WS, Atoms WS #2

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Presentation transcript:

Warm-up! (11/3 and 6) On desk: Green Lab 6 WS, Atoms WS #2 Come get an article from me and READ QUIETLY! Answer the questions at the end when you are done! I’ll give you 10 minutes for this.

Making new elements! “Superheavy elements” = 103 neutrons + Accelerate  Collide  Separate  Detect http://www.techandfacts.com/making-new-elements/ http://ed.ted.com/periodic-videos

Newest Elements (2016 summer!)

Newest Elements More on how they were found: http://www.iflscience.com/chemistry/say-hello-to-four-newly-named-elements-periodic-table/ And, if you’re interested on how far this could go, see this article: http://www.bbc.com/earth/story/20160115-how-many-more-chemical-elements-are-there-for-us-to-find

Homework/Lab 6 Questions? Keys will be on Moodle, of course!

Isotopes Calculations Practice Equation for (weighted average) atomic mass?

Let’s try one more Calculate the atomic mass of potassium using the following data:

Lab 6 Debrief Stable and unstable isotopes Which ones are HAPPY, which ones are not? Show chart of stable atoms

Radioactivity! Things that are radioactive: Bananas: Potassium 40, Rocks and fiestaware: U-238 and 235, Glow in the dark: H-3 (tritium)

Radioactivity – what happens? Radioactive atoms try to become more stable by breaking apart into stable “pieces”

Practice Quiz! Real quiz next class! Will be 30 points! Great chance to start off quarter 2 strong! STUDY! When you are done, come get your homework from me and start working!

Radioactive Dating Activity - Laptops Go to http://phet.colorado.edu/en/simulation/radioactive-dating-game

If time: Nuclear Quest and WS!

Homework Day 5 Atoms WS #3 You should have already read in your book: pages 110-117 Big quiz next class (T/W)! Scientists and their atomic models Atoms, subatomic particles, isotopes, ions Calculating average atomic mass Element Memory (as always)