Chapter 1: I can probably best be defined as excited because I am always hyped. I get excited pretty
easily, and that causes me to talk abnormally quickly. I also am very open-minded and tolerant. My
tolerance roots from my belief that going into every si
Mixtures and Solutions
Physical properties .
A big idea
two or more pure substances
can be identified, distinguished and
_ based on
_ combinations of
two or more pure substances.
The Periodic Table
Chemistry I Assignment
Get to Know an Element!
The purpose of this assignment is to create your personalized piece of a giant student
Periodic Table. Each Chemistry I student will be assigned an element and will be
Unit 4: The Periodic Table
You should be able to understand, explain and illustrate these big ideas:
The Periodic Table organizes the elements in order of increasing atomic number such that elements with
similar properties are arranged
Time required for half the atoms
of a radioactive nuclide to
Symbol - t
The longer the half-life, the
more stable the isotope.
Half-lives vary from fractions
of a second to millions of
27 Jan. 2016
Brief Description of Activity:
The lesson uses in depth laboratory procedure to familiarize students with the operations of a
laboratory as well as an activity to help students lea
Periodic Trends #ZElectronegativity, Ionization Energy and Chemical Reactivity
1. Dene electronegativity. mmwa 4W abihiy 03114 i
m a chemical compotwi. "I'D attract clam
2. As you move across a period from left to right, electronegativity tends to (decrea
Ro nd 1
1) (1.23 mm2- 1.042 mm2 / 1.02 mm = ~ \. OH
( ' cfw_\'(Y\
0 1 | Lj'
\-D2,YY\vm h O cl m F oTH )
2) The moon is 384,403 km from the earth. Estimate how many quarters laid end to end it would take to reach
the moon if a quarter has a diam
NUCLEAR PROJECT Due Tues, Sept. 27th
In order to learn more about how nuclear chemistry affects our lives, you will
research one of the topics below using your textbook and other available
resources. Your presentation to the class should be timed at 1 min
Soft, silvery with low density; the most reactive metals; not found by themselves in nature (always in
compounds); explosive when exposed to air & water. Uses: soap, lights, & present in body as electrolytes.
alkaline earth metals: Harder, denser, "strong