ࡱ> UWT` bjbj 0.&&&&4," $: h")@)&&>HHHd&RHHHx"  1ZNT0#R##$^HL+))8" " " d D" " " $&&&&&& Name: ________________________ Hour: ____ Date: ___________ Chemistry: Development of the Atomic Theory Directions: Fill in the blanks on the right with the information in the chart below. Word List atom mass number atomic number multiple proportions Bohr neutron Chadwick nucleus conservation of matter Planck Dalton proton definite proportions Proust electron quantum energy level Rutherford isotopes subatomic particle Lavoisier Thomson  More than 2000 years ago, Greek philosophers proposed the existence of very small, indivisible particles, each of which was called a(n) __(1)__. The theory that such particles existed was supported, much later, by __(2)__, who proposed, in his law of __(3)__, that matter cannot be created or destroyed. Then __(4)__ proposed, in his law of __(5)__, that the ratio of the masses of elements in any given compound is always the same. The law of __(6)__, proposed soon after, states that the masses of one element that combine with a fixed mass of another element in different compounds are in simple, whole-number ratios. An atomic theory based on these laws was developed by __(7)__. It was later proposed that the atom was not indivisible, but is made up of smaller particles, each of which is called a(n) __(8)__. These particles include the negatively-charged __(9)__, discovered by __(10)__; the positively-charged __(11)__; and the uncharged __(12)__, discovered by __(13)__. The latter two particles are present in the __(14)__, or center, of the atom, which was discovered by __(15)__ in his gold foil experiment. The number of positively-charged particles in an atom is called its __(16)__. The sum of the positively-charged particles and the uncharged particles is called the __(17)__ of the atom. Atoms that have the same number of positively-charged particles but different numbers of uncharged particles are called __(18)__. The Danish physicist __(19)__ proposed a model of the atom in which the electrons orbit the nucleus without losing energy. He called each possible orbit a(n) __(20)__. He based his theory, to some extent, on the work of __(21)__, who proposed that light is made up of units of energy of a definite amount, each of which is called a(n) __(22)__ of energy. Name: _________KEY___________ Hour: ____ Date: ___________ Chemistry: Development of the Atomic Theory Directions: Fill in the blanks on the right with the information in the chart below. Word List atom mass number atomic number multiple proportions Bohr neutron Chadwick nucleus conservation of matter Planck Dalton proton definite proportions Proust electron quantum energy level Rutherford isotopes subatomic particle Lavoisier Thomson  More than 2000 years ago, Greek philosophers proposed the existence of very small, indivisible particles, each of which was called a(n) __(1)__. The theory that such particles existed was supported, much later, by __(2)__, who proposed, in his law of __(3)__, that matter cannot be created or destroyed. Then __(4)__ proposed, in his law of __(5)__, that the ratio of the masses of elements in any given compound is always the same. The law of __(6)__, proposed soon after, states that the masses of one element that combine with a fixed mass of another element in different compounds are in simple, whole-number ratios. An atomic theory based on these laws was developed by __(7)__. It was later proposed that the atom was not indivisible, but is made up of smaller particles, each of which is called a(n) __(8)__. These particles include the negatively-charged __(9)__, discovered by __(10)__; the positively-charged __(11)__; and the uncharged __(12)__, discovered by __(13)__. The latter two particles are present in the __(14)__, or center, of the atom, which was discovered by __(15)__ in his gold foil experiment. The number of positively-charged particles in an atom is called its __(16)__. The sum of the positively-charged particles and the uncharged particles is called the __(17)__ of the atom. Atoms that have the same number of positively-charged particles but different numbers of uncharged particles are called __(18)__. The Danish physicist __(19)__ proposed a model of the atom in which the electrons orbit the nucleus without losing energy. He called each possible orbit a(n) __(20)__. He based his theory, to some extent, on the work of __(21)__, who proposed that light is made up of units of energy of a definite amount, each of which is called a(n) __(22)__ of energy. ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ ____________________ atom Lavoisier conservation of matter Proust definite proportions multiple proportions Dalton subatomic particle electron Thomson proton neutron Chadwick nucleus Rutherford atomic number mass number isotopes Bohr energy level Planck quantatantum <Hhijt "#$0PQR\jȭwjw_VRRhoEhoE6OJQJhoE6>*OJQJhoE56CJOJQJhoE5CJOJQJhoEOJQJh74h?BOJQJ^J*h74hoE5>*B* OJQJ\^Jphh74hoEOJQJ^Jjh?BUmHnHuh?Bh?B6OJQJh?B6>*OJQJh?B56CJOJQJh?B5CJOJQJh?BOJQJ <ij  ' F W t @  dh] gd?B@ ^@ gd?B ^`gd?Bgd?B ^`gd?BP^Pgd?B@A#$QR.?\p@ ^@ ^` ^`^gd?B ] gd?B  dh] gd?Bpq()ij#8Mbw $ & Fd]a$gd?B ]  dh] @ ^@  4I^s(0;Id]$ & Fda$gd?B$ & Fd]a$gd?BhoE!h74h?B56B* \]phh?B hVuVh?BIU^cpw ] dgd?Bd] .:p?B/ =!"#$% 8@8 Normal_HmH sH tH @@@ Heading 1$@& 5OJQJDA@D Default Paragraph FontVi@V  Table Normal :V 44 la (k@(No List DB@D Body Textpdh]pOJQJ.!z z<ij'FWt # $ Q R  . ? \ p #8Mbw 4I^s(0;IU^cpw&v:&v:&&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v:&v: t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t <ij'FWt@A # $ Q R  . ? \ p p q ()ij#8Mbw 4I^s(0;IU^cpw00000000000000000000000000000000000000000000000000000 0 0 0 0 0 0 0 0 0 0  0  0  0  0  0 0 0 0 0 0 0 0@00@0@0@0@0@0@0@0@0@0@0@0@0@0@0@0@0@0@0@0@000{00H0R@ I8@Z(  \  3 "` \  3 "` B S  ? EA*)TB*)T L  R ՂQ Bx ,j~ \e  I d_ _FF. .  0LL4 4 :9*urn:schemas-microsoft-com:office:smarttagsplace8 *urn:schemas-microsoft-com:office:smarttagsCity I   msU [ w'3W_t|Y[~vxac   ? G \ d p v A C ~ f h np^`IK(/;AIMU]ciw::::::::::::::::::::::::::::::::::::::::::::::::::::::Ft  $ w6TOV hh^h`o(.6TOV74oE?Bj@ \yGG P@UnknownGz Times New Roman5Symbol3& z Arial"qhӧfӧfvjF'  ' 1>4 ?QHP(?oE2&Development of Atomic Theory Paragraphatomic history#John Bergmann & Jeff ChristophersonUNIT55 Oh+'0CB$ 4@ ` l x 'Development of Atomic Theory Paragraph$John Bergmann & Jeff Christophersonatomic historyNormalUNIT552Microsoft Office Word@F#@dg\@jS@jS'G8AVT$m     ."System p9} -@"Arial- 2 6 Name:_$ 2  /2  ________________________ 2  2 6 Hour:_ 2  02  ____ 2 ) 92 b Date:_  2  22   ___________ 2  @"Arial-2 #  Chemistry: $,@"Arial-;2 #  Development of the Atomic Theory$,  #,- 2 #M - 2 U @"Arial-2   Directions  - @ !-|2 K : Fill in the blanks on the right with the information in the chart below.              "       - 2   2  @"Arial-2 t  Word List'   2 5 -2 H atom # 2  9 2  2 t 2   2   mass number$ $ 2  2 EH  atomic number #  $ 2 E\  2 Et 2 E  %2 E multiple proporti_$    2 E ons 2 E  2 uH Bohr 2 u > 2 u 2 ut 2 u  2 u neutron   2 u- 2 H Chadwick  2  w 2 t 2   2  nucleusk  2 / ,2 H conservation of matter   $  2  & 2   2  Planck  2  2 H Dalton  2   2  2 t 2   2  proton  2  )2 4H definite proportions     2 4 ` 2 4  2 4 Proust 2 4 2 dH electron   2 d  2 d 2 dt 2 d  2 d quantumn $ 2 dC 2 H  energy level  2 ) K 2 t 2   2   Rutherford   2 f 2 H isotopes   2  2 t 2   &2  subatomic particle $     2  2 H  Lavoisier   2  2 t 2   2  Thomsons$ 2 M  2 $ J2 T* More than 2000 years ago, Greek philosophe#     !  I2 T3) rs proposed the existence of very small, e        $ 2 T indivisible particles, each of which was called a(n) __(1)__. The theory that such                      2 U particles existed was supported, much later, by __(2)__, who proposed, in his law of          $            P2 ,. __(3)__, that matter cannot be created or dest  $        D2 ,B& royed. Then __(4)__ proposed, in his        2 sR law of __(5)__, that the ratio of the masses of elements in any given compound is          $   $      $  2 U always the same. The law of __(6)__, proposed soon after, states that the masses of    $              $  X2 3 one element that combine with a fixed mass of anoth  $  $      $   /2  er element in different   $    82 K compounds are in simple, whole$    $    2 KC -S2 KQ0 number ratios. An atomic theory based on these $     #      ;2   laws was developed by __(7)__.       2 [  2  2 #S It was later proposed that the atom was not indivisible, but is made up of smaller f        #          $   $  A2 j$ particles, each of which is called a          J2 jg* (n) __(8)__. These particles include the          2   negatively   2  -^2 7 charged __(9)__, discovered by __(10)__; the positively          2  -2  charged  2 N __(11)__; and the uncharged __(12)__, discovered by __(13)__. The latter two              g2 B= particles are present in the __(14)__, or center, of the atom              $22 B1 , which was discovered by       C2 % __(15)__ in his gold foil experiment.         $ 2   2  /2   The number of positively $     2   -b2  : charged particles in an atom is called its __(16)__. The        $       +2 b  sum of the positivelye$      2 b j -e2 b x< charged particles and the uncharged particles is called the               22  __(17)__ of the atom. Ato    #  J2 * ms that have the same number of positively$    $ $     2  -2  charged  2 M particles but different numbers of uncharged particles are called __(18)__.       $          2 ]  2 9  2 R The Danish physicist __(19)__ proposed a model of the atom in which the electrons          $    $        M2 , orbit the nucleus without losing energy. He         M2 , called each possible orbit a(n) __(20)__.          2  P He based his theory, to some extent, on the work of __(21)__, who proposed that       $           2 Y W light is made up of units of energy of a definite amount, each of which is called a(n)   $            $         (2  __(22)__ of energy.l   2 ] --$>> >--- - $>> -- ' @-2 ;@ 1. @"Arial- 2 ;@ (-)2 ;@ ____________________ 2 ; @  @'-2 @ 2. - 2 @ (-)2 @ ____________________ 2  @  @'-2 @ 3. - 2 @ (-2 @ _______ 2 q @ _____________ 2  @  @'-2 Z@ 4. - 2 Z@ (-)2 Z@ ____________________ 2 Z @  @'-2 @ 5. - 2 @ (-)2 @ ____________________ 2  @  @'-2 @ 6. - 2 @ (-)2 @ ____________________ 2  @  @'-2 z@ 7. - 2 z@ (-)2 z@ ____________________ 2 z @  @'-2 @ 8. - 2 @ (-)2 @ ____________________ 2  @  @'-2 :@ 9. - 2 :@ (-)2 :@ ____________________ 2 : @  @'-2 @ 10. - 2 @ -)2 @ ____________________ 2  @  @'-2 @ 11. - 2 @ -)2 @ ____________________ 2  @  @'-2 Y@ 12. - 2 Y@ -)2 Y@ ____________________ 2 Y @  @'-2 @ 13. - 2 @ -)2 @ ____________________ 2  @  @'-2  @ 14. - 2  @ -)2  @ ____________________ 2  @  @'-2 y @ 15. - 2 y @ -2 y  @ ___________2 y  @ __________ 2 y @  @'-2 @ 16. - 2 @ -)2 @ ____________________ 2 @  @'-2 8 @ 17. - 2 8 @ -)2 8 @ ____________________ 2 8 @  @'-2 @ 18. - 2 @ -)2 @ ____________________ 2 @  @'-2 @ 19. - 2 @ -)2 @ ____________________ 2 @  @'-2 X @ 20. - 2 X @ -)2 X @ ____________________ 2 X @  @'-2 @ 21. - 2 @ -)2 @ ____________________ 2 @  @'-2  @ 22. - 2  @ -2  @ 2  @  @''-                            Chemistry՜.+,0h px  /Atomic Structure    'Development of Atomic Theory Paragraph Word List Word List Title Headings  !"#$%&'()+,-./0123456789:;<=>?@ABCDEFGHIJKMNOPQRSVRoot Entry F` *HX1Table#WordDocument0.SummaryInformation(*4CDocumentSummaryInformation8LCompObjq  FMicrosoft Office Word Document MSWordDocWord.Document.89q