HON CHEMISTRY 1-5-09 Periodic Trends Part 1
Hey guys, welcome back!! Here’s the lecture from Monday on two periodic properties, atomic radii and ionization energy. Don’t forget the videos in vodpod collection below. The video clip that we watched today on potassium is there as well as others. If you want to see videos on all of the elements, a cool website is periodicvideos.com. Just click on the elements, it’d be a great review!
January 5th, 2009 at 7:23 PM
Hey Ms. Skinner!
How can you tell if gold or cesium is bigger in atomic radius since they are in the same period?
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January 5th, 2009 at 7:27 PM
I may be getting ahead of the lesson a bit, but according to our homework and the charts in the book, the d and f block elements kind of fluctuate instead of directly increase or decrease. Is there a “method to that madness” or is it really just at random intervals within the periods? Will we have to know the exact points where the properties (ie. Atomic Radii) change from decreasing to increasing and vice versa?
Thanks!
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January 5th, 2009 at 8:07 PM
Does anyone know how to create a periodic table based on properties with the “newly discovered elements”?
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January 5th, 2009 at 8:11 PM
I really didn’t understand numbers 50-53 on page 169 of last nights homework. Are we supposed to draw the periodic table and plug the new elements in or are we supposed to make a new periodic table with these elements? Also, these new elements ahve the same atomic numbers of known elements. I am very confused!
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January 6th, 2009 at 11:29 AM
you make a new periodic table
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January 6th, 2009 at 11:54 AM
Does anybody comprehend how to write a new periodic table from the element list that is given in the correct order? And how will this help me later in life like 30 years from now
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