Group Summary Activity

Group Summary ActivityGroup Summary Activity

Directions: Go to view- slide show. Click Directions: Go to view- slide show. Click through slides. Clues will be revealed one at through slides. Clues will be revealed one at a time. See how many clues it takes before a time. See how many clues it takes before

you know the group.you know the group.

Jodi Grack; Wayzata High SchoolJodi Grack; Wayzata High School

Group SummaryGroup Summary1)1) Melting/boiling points increase down the Melting/boiling points increase down the

columncolumn2)2) Chemical reactivity increases down a columnChemical reactivity increases down a column3)3) The bottom elements have been known to The bottom elements have been known to

form compounds, the top three have not.form compounds, the top three have not.4)4) nsns22npnp66 5)5) All elements are stable, unreactive gases.All elements are stable, unreactive gases.

ANSWER: ANSWER: Group #8 – Noble GasesGroup #8 – Noble Gases


Group SummaryGroup Summary1)1) Melting/boiling points decrease down the columnMelting/boiling points decrease down the column2)2) Highly reactive group; Chemical reactivity increases Highly reactive group; Chemical reactivity increases

down a columndown a column3)3) Soft and very malleableSoft and very malleable4)4) None of them exist uncombined in natureNone of them exist uncombined in nature5)5) React violently with waterReact violently with water6)6) Lowest ionization energies within each periodLowest ionization energies within each period7)7) Lowest electronegativity within each periodLowest electronegativity within each period8)8) Have one valence electronHave one valence electron9)9) Have an effective nuclear charge = +1Have an effective nuclear charge = +110)10) nsns11

ANSWER: ANSWER: Group #1 – Alkali MetalsGroup #1 – Alkali Metals


Group SummaryGroup Summary1)1) Melting/boiling points decrease down the Melting/boiling points decrease down the

columncolumn2)2) Fairly reactive; Chemical reactivity increases Fairly reactive; Chemical reactivity increases

down a columndown a column3)3) malleablemalleable4)4) React moderately with water to form alkaline React moderately with water to form alkaline

solutions (except one element)solutions (except one element)5)5) Have two valence electronsHave two valence electrons6)6) Have an effective nuclear charge = +2Have an effective nuclear charge = +27)7) nsns22

ANSWER: ANSWER: Group #2 – Alkaline Earth MetalsGroup #2 – Alkaline Earth Metals


Group SummaryGroup Summary1)1) Many of its elements form colored compoundsMany of its elements form colored compounds2)2) Contains some metals that exist uncombined Contains some metals that exist uncombined

in naturein nature3)3) The trend for metallic properties increases to The trend for metallic properties increases to

the left.the left.4)4) Contains one metal that exists as a liquidContains one metal that exists as a liquid5)5) Have two valence electrons, but can form a Have two valence electrons, but can form a

variety of ionsvariety of ions6)6) Highest energy electrons fill into d-orbitalsHighest energy electrons fill into d-orbitals

ANSWER: ANSWER: Group #2 – Transition MetalsGroup #2 – Transition Metals


Group SummaryGroup Summary1)1) Melting/boiling points increase down columns.Melting/boiling points increase down columns.2)2) Reactivity increases up the column.Reactivity increases up the column.3)3) Highly reactive elementsHighly reactive elements4)4) Contains solids, a liquid, and gasesContains solids, a liquid, and gases5)5) All nonmetalsAll nonmetals6)6) Exist as diatomic molecules Exist as diatomic molecules 7)7) Contain 1 unpaired p-electronContain 1 unpaired p-electron8)8) Have seven valence electronsHave seven valence electrons9)9) Have relatively large ionization energiesHave relatively large ionization energies10)10) Have the largest electronegativities within their periodHave the largest electronegativities within their period11)11) Form -1 ionsForm -1 ions12)12) nsns22npnp55

ANSWER: ANSWER: Group #7 – HalogensGroup #7 – Halogens


Group SummaryGroup Summary1)1) Fairly reactive elementsFairly reactive elements

2)2) Contain 2 unpaired p-electronsContain 2 unpaired p-electrons

3)3) Form -2 ionsForm -2 ions

4)4) Have 6 valence electrons Have 6 valence electrons

5)5) Some exist as gases, some as solidsSome exist as gases, some as solids

6)6) nsns22npnp44

ANSWER: ANSWER:

Group #6 – Oxygen GroupGroup #6 – Oxygen GroupJodi Grack; Wayzata High SchoolJodi Grack; Wayzata High School

Group SummaryGroup Summary1)1) Its metals form +3 ions (and sometimes Its metals form +3 ions (and sometimes

+1 ions)+1 ions)2)2) Contains one metalloid Contains one metalloid 3)3) All elements are solidsAll elements are solids4)4) Contain one unpaired p-electron, the Contain one unpaired p-electron, the

other p-orbitals are emptyother p-orbitals are empty5)5) nsns22npnp11

ANSWER: ANSWER: Group #3 – Boron GroupGroup #3 – Boron Group


Group SummaryGroup Summary1)1) Relatively unreactive elementsRelatively unreactive elements2)2) Metals form +2 and +4 ionsMetals form +2 and +4 ions3)3) Contains 4 valence electrons Contains 4 valence electrons 4)4) All are solidsAll are solids5)5) Have 2 unpaired p-electronsHave 2 unpaired p-electrons6)6) nsns22npnp22

ANSWER: ANSWER: Group #4 – Carbon GroupGroup #4 – Carbon GroupJodi Grack; Wayzata High SchoolJodi Grack; Wayzata High School

Group SummaryGroup Summary1)1) Relatively unreactiveRelatively unreactive2)2) Nonmetals form -3 ionsNonmetals form -3 ions3)3) Some gases and some solidsSome gases and some solids4)4) Metal, nonmetal and metalloidsMetal, nonmetal and metalloids5)5) Has 3 unpaired p-electronsHas 3 unpaired p-electrons6)6) Contains 5 valence electronsContains 5 valence electrons7)7) nsns22npnp33

ANSWER: ANSWER: Group #5 – Nitrogen GroupGroup #5 – Nitrogen Group


Group SummaryGroup Summary1)1) Most elements are syntheticMost elements are synthetic2)2) Many are phosphorsMany are phosphors3)3) Most are radioactiveMost are radioactive4)4) Highest energy electrons fill into f-Highest energy electrons fill into f-

orbitals orbitals

ANSWER: ANSWER: Innner Transition metals/Rare Earth Innner Transition metals/Rare Earth

Elements (lanthanides & actinides)Elements (lanthanides & actinides)Jodi Grack; Wayzata High SchoolJodi Grack; Wayzata High School

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