10/14 Review: How is the periodic table organized?
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Transcript of 10/14 Review: How is the periodic table organized?
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Launch Grab your binder and immediately take a seat
Take out last night’s homework (Mind Map)
1. Using arrows, draw the trend for electronegativity.
2. Which of the following correctly lists the elements in order from least electronegative to most?
a. O < P < Al < Na b. Na < Al < P < O
c. P < O < Na < Al d. Al < P < O < Na
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Weekly Schedule Monday: Atomic Radius
Tuesday: Electronegativity & Ionization Energy
Wednesday: Metals, nonmetals, special groups
Thursday: Atomic structure & nuclear processes
Friday: Mid-Term Exam Only excused absences, otherwise 0!
We don’t have much time!
If you don’t understand something, ask!
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How is the periodic table organized?
Mr. Heffner 10/14/09
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What are the 3 main categories?
Metals
High conductivity and melting point
Low conductivity and melting point
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Examples 1. Label the following as either metal, semimetal, or
nonmetal. i. sodium (Na)
Metals
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Examples 1. Label the following as either metal, semimetal, or
nonmetal. ii. fluorine (F)
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What are the 5 sub-categories? A
lkal
i Met
als
Alk
alin
e E
arth
Met
als
Transition Metals Hal
ogen
s N
oble
Gas
es
Elements in same “family” have similar properties!
Group #
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Examples 2. Label the following as either alkali metal, alkaline
earth metal, transition metal, halogen, or noble gas. i. sodium (Na)
Alk
ali M
etal
s
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Examples 2. Label the following as either alkali metal, alkaline
earth metal, transition metal, halogen, or noble gas. ii. fluorine (F)
Hal
ogen
s
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Examples 3. Name two elements that would have similar
properties to: i. magnesium (Mg)
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Examples 3. Name two elements that would have similar
properties to: ii. helium (He)
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Group Review
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Practice Questions Review Worksheet #3
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Exit Slip 1. Magnesium (Mg) is a
a. nonmetal b. halogen
c. semimetal d. metal
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Exit Slip 2. Sulfur is classified as a ________, meaning it has
a(n) ________ conductivity. a. semimetal; intermediate b. semimetal; greater c. nonmetal; lesser
d. metal; greater
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Exit Slip 3. The region highlighted below represents the
a. noble gases. b. halogens.
c. alkali metals. d. semimetals.
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Exit Slip 4. Chlorine (Cl) is an example of a(n)
a. alkali metal and has 2 valence electrons. b. alkali metal and has 1 valence electron.
c. halogen and has 7 valence electrons. d. noble gas and has 8 valence electrons.
5. Which of the following has similar chemical properties to those of Calcium (Ca)?
a. gold (Au) b. sodium (Na)
c. aluminum (Al) d. magnesium (Mg)
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Homework Finish Review Worksheet #3
Pg150 #1, 3, 7 in complete sentences!
Memorize all the categories/families