September 2007 - Posts

“The key to success is to focus our conscious mind on things we desire not things we fear."

  

 

The test will cover everything from the beginning of the term through "Density".

Click on "Comments" below.  Learn it by heart, perform it flawlessly, and earn 5 points on your last quiz.

Go to  http://pubs.acs.org/cen/80th/elements.html and click on your assigned element.

Create a poster that should be no larger than an 8 1/2 by 11" sheet of paper.  It should be neat, colorful, and include:

Element name and symbol, atomic number, at least 2 physical and 2 chemical properties, several uses, a picture, and one fact that you found interesting.

Due Monday 9/24.

P.S.  Do not copy & paste!

Balancing Equations Handout

Questions 1, 2, 3, 7, 11, 13, 16

Know the symbols and names of the first 25 elements (according to the "atomic number").

Quests count as two quiz grades.

Study everything covered from the first day of class through Monday, 9/17.

Think left and think right and think low and think high. Oh, the thinks you can think up if only you try!

Complete:

  • Elements, Compounds & Mixtures Handout

  • Substances and Mixtures Handout (include whether the substance or mixture is heterogeneous or homogeneous)

  • Questions 67-70 on the Separation of Mixtures packet.

Finish "Laboratory Equipment" Handout.  Go to "Links" on the top tab of the home page, and select "Laboratory Equipment" under "Homework & Classwork".

 

The Elements

(© 1959, Lehrer Records.)

There's antimony, arsenic, aluminum, selenium,

And hydrogen and oxygen and nitrogen and rhenium,

And nickel, neodymium, neptunium, germanium,

And iron, americium, ruthenium, uranium,

Europium, zirconium, lutetium, vanadium,

And lanthanum and osmium and astatine and radium,

And gold, protactinium and indium and gallium,

And iodine and thorium and thulium and thallium.

There's yttrium, ytterbium, actinium, rubidium,

And boron, gadolinium, niobium, iridium,

And strontium and silicon and silver and samarium,

And bismuth, bromine, lithium, beryllium, and barium.

There's holmium and helium and hafnium and erbium,

And phosphorus and francium and fluorine and terbium,

And manganese and mercury, molybdenum, magnesium,

Dysprosium and scandium and cerium and cesium.

And lead, praseodymium, and platinum, plutonium,

Palladium, promethium, potassium, polonium,

And tantalum, technetium, titanium, tellurium,

And cadmium and calcium and chromium and curium.

There's sulfur, californium, and fermium, berkelium,

And also mendelevium, einsteinium, nobelium,

And argon, krypton, neon, radon, xenon, zinc, and rhodium,

And chlorine, carbon, cobalt, copper, tungsten, tin, and sodium.

These are the only ones of which the news has come to Ha'vard,

And there may be many others, but they haven't been discavard.

 

Click on "Links" on the top, and pick "Elements Song".  Get to practicing for Monday for your extra credit!

 

 

School is closed:  Rosh Hashanah

"I have no special talent. I am only passionately curious."

HW: 9/4  

Complete Student Contract.