001_014_CMC_SN_SE_878755.qxd - Weebly
Before You Read
atom
electron configuration
valence electrons
electron-dot structure
Chapter 4
Define the following terms.
Distinguish between the subatomic particles in terms of relative charge.
Subatomic Particle Electrical Charge
Describe how the subatomic particles are arranged.
periodic law
group
period
representative element
transition element
metal
alkali metal
alkaline earth metal
transition metal
inner transition metal
nonmetal
halogen
noble gas
metalloid
Skim Section 1 of your text. Look at the headings, boldfaced words, figures and captions. Write two facts you discovered about the periodic table.
1.
2. ____________________________________________________________
Use your text to define each term.
Development
of the Periodic
Table
Use with pages
174–176.
The Modern
Periodic Table
Use with pages
177–180.
Sequence the events that helped develop the periodic table.
1. In the 1790’s, _______________________________________________.
2. In 1864, __________________________________________________ and saw the properties of elements ______________________________.
3. In 1869,___________________________________________________ _____________________________________. He left blank spaces ____________________________.
4. In 1913, ___________________________________________________ ____________________________________________. He arranged elements by________________________________________________
Determine where you can find each of the following groups of elements on the periodic table below:
alkali metals nonmetals halogens
alkaline earth metals representative elements transition metals
inner transition metals transition elements noble gases
Hint: colored pencils might be helpful. Be sure to include a legend.
Organize information about the periodic table by completing the concept map below.
[pic]
Identify the information that is given on a typical box from the
periodic table.
1.
2.
3.
4.
5.
Match the box color on the periodic table in Figure 5 with the class of element the box describes.
blue nonmetal
green recently discovered
yellow metalloid
gray metal
Real-World Connection
Describe how knowledge of the periodic table would be important in three different careers, based on what you’ve read.
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