Chapter 2 Study Guide
2.4) Atomic Mass vs Atomic Weight:
-Atomic mass= AMU (Atomic Mass Unit)
1 g = 6.02214 x 10^23 AMU
1 amu = 1.66054 x 10^-24
-Atomic weight=average atomic mass
Atomic weight = (isotope mass) x (% isotope abundance/100)
2.5) The Periodi
Chapter 2: Laws and Atomic Structure
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Atomic Theory 1
Each element is composed of tiny, indestructible particles called atoms.
Atomic Theory 2
Atoms of a given element have the same mass, and other properties that
Chemistry Definitions Part 1 Chapter 1
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Characteristics of materials that refer to how they react or fail to react when combined with others or to the
details of their compositions or to how their com
Periodic Table Names and Symbols
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Practice Exam 1
Answer the questions to the best of your ability. The last page of this exam contains a
periodic table to help you answer some of the questions. You can find some useful
conversions, equalities and equations below. Good Lu
The following are suggested book problems for you to practice. They will not be graded
but may become an extra credit opportunity at the end of the quarter.
Ch 1 problems: 9, 11, 15, 23, 29, 31, 33, 35, 37, 39, 47, 49, 51, 57, 5
Homework #3 (dont forget your vocab)
Suggested book problems for Ch 3 (not graded, just for more practice): 3, 4, 9, 11, 15, 17, 19, 21,
25, 31, 35, 39, 41, 43, 45, 48, 52-71.
1) Write the element symbol for the following elements. Place a
Practice Exam 2
Answer the questions to the best of your ability. There are 4 pages of questions. The real
exam will be slightly shorter than this. I put more here to give you extra practice. The last
page of this exam will contain a peri
Suggested Ch 2 book problems for practice (not graded): #7, 9, 15, 17, 21, 31, 33, 41, 43,
45, 47, 49, 51, 53, 55, 57, 59, 61.
In addition to the problems below you must turn in your vocabulary journal with the
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maligalion 6 (annotated)
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Biology teacher support material Page 3 of S
Moderator-'3 Though the report justies the choice of the research question there is no sign of
award personal interest or curiosity.
There is evidence of personal input and initiative in the design and
-lnvestigation 6: The structure and function of barley
To View the various elements of this example, please use the icons at the side otthc screen.
Note: The comments in the annotated examples match the labelling on teacher forms.
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