Transcript
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    2014 Fall Midterm Exam Review Answers

    Does not include definitions as these can easily be found in your boo!

    Chapter 7, 8, 9

    1! Metal "lus a non metal

    2! #onic$ Ma%nesium nitrate

    #onic$ &in '#() chloride

    #onic$ *inc '##) sulfate

    +ovalent$ ,oron trifluoride

    #onic$ -ilver '#) fluoride

    .! com"ounds

    a! /a+l

    b! -r

    c! Fe2.

    d! +a')2

    e! i.34

    f! As.F

    4! cation

    5! ionic bond

    6! anion

    7! oxidation numbers

    ! iron8s oxidation number

    9! :.

    chapter 10:

    1! 1 mole ; molar mass ; 6!02 x 102. molecules

    2! 6!02 x 102.< number of molecules in 1 mole of any substance

    .! sum of the atomic wei%hts of the elements in a com"ound< add u" the atomic wei%ht for each

    element in a com"ound

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    4! molar mass$

    a! 9 %=mol

    b! 110 %=mol

    c! 164 %=mol

    d! 146 %=mol

    e! 1.1 %=mol

    5! convert$

    a! 0!24 mol

    b! 0!.1 mol

    c! 0!00 mol

    d! 109!6 mol

    e! 0!17 mol6! convert$

    a! 2.22!6 %

    b! .71 %

    c! 21.!2 %

    d! 2..6000% or 2!..6 x 106%

    e! 29.4!4 %

    7! convert$

    a! 1!46 x 102.molecules

    b! 1!5 x 102.molecules

    c! 4!77 x 1021molecules

    d! 6!6 x 1025molecules

    e! 1!0. x 102.molecules

    ! convert$

    a! .76 %

    b! 61 %

    c! .5!4 %

    d! .! %

    e! 47!9 %

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    9! 3ercent com"$

    a! ; 2> -; ..> ;65>

    b! +a; .6> +l ; 64>

    c! /a; 42> 3;19> ;.9>

    d! -;22> F; 7>

    e! ?e;100>

    10! +.62

    11!/2.

    12! M%+l2

    1.! +410

    14! /24

    Chapter 1 and 3:

    .! metric units$

    a! %

    b! m

    c!

    d! sec

    4! @Dbdcm '@ilo ecto Deca base deci centi milli)

    5! si% fi%s$

    a! addition substraction

    i! 0!2.6 m

    ii! 155!77 m

    iii! 12!12 cm

    b! mult! And div!

    i! 10 m2

    ii! 2!5 m2

    iii! 4. m2

    7! metric converson$

    a! 0!000225 %

    b! 0!0102

    c! 6!1 x 106m%

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    d! 4.00!7 m

    ! D;m=v

    a! 11!2 %=m

    b! m.

    c! 2!5 %=m

    9! conversions

    a! 2!. x 10B.

    b! 106

    Chapter 2:

    2!

    a! "hysical

    b! chemical

    c! "hysical

    d! chemical

    .!

    a! "hysical

    b! chemical

    c! chemical

    d! "hysical

    4! bubble "roducedC color chan%eC tem"erature chan%eC formation of a "reci"itate

    7!

    a! homo%eneous

    b! element

    c! com"ound

    d! hetero%eneous mixture

    e! hetero%eneous mixture

    ! reactants to the left of the arrowC "roducts to the ri%ht of the arrow! Reactants are the startin%

    materials and "roducts are substances that are formed!

    9! Matter is neither created or destroyedC ust transferred!

    10! 20!. %

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    chapter 4:

    1! "rotonC "ositiveC nucleus< electronC ne%ativeC orbit< neutronC neutralC nucleus

    2! Rutherford

    .! Dalton

    4! &hom"son

    5! number of "rotons and electrons in a neutral atom 'not the sum of the "rotons and electrons)

    6! sum of "rotons and neutrons

    7! atomic mass atom8s atomic number

    ! atomic number

    Element Atomic G MassG 3rotons Electrons /eutrons

    / 7 14 7 7 7

    16

    , 5 11 5 5 6

    9! in the number of neutrons in the nucleus

    10! 56!74 amu

    11! atomic mass

    12! Democritus

    1.! :C hi%h

    Chapter 5:

    1! to have a full outer shell! A full shell is electrons and this is called the octet

    2! : ; lost electrons< B ; %ained electrons

    .! cations; lost electronsC ty"ically metals< anions; %ained electronsC ty"ically nonBmetals

    4! lose 1C lose 2C lose .C lose 4C %ain 1C %ain2C %ain .C %ain 4

    5! noble %ases

    6!

    7! by atomic number

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    ! %rou"B verticalC arran%ed by valence electron< "eriod horiHontal and arran%ed by ener%y level

    9!

    a! noble %as

    b! halo%en

    c! alali earth

    d! transition metal

    10! metals are left of the stair ste" lineC nonBmetals are on the ri%ht of the stair ste" line and

    metalloids are on the stair ste" line!

    11! noble %ases

    12! metal

    1.! Mendeleev

    14! Mosely

    16! , %rou"s

    1! F ,r # / +l

    19! valance electrons are the number of electrons orbitin% in the outer most ener%y shell! xidation

    numbers are how many they will %ive u" or receive in order to become stable!

    20! oxidation number


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