Name
Hfl )lJ £ IL ItfrY
—
--" ' W ^ ^ ^ ^ ^
Date
fiottierforil's
Bold foil Experimenf
u M with chapter 2, s^uon 2.1
^
1. What kinds of particles are emitted by the radioactive source? What is their
l/ieufo-duS
2. Tbward what are the alpha particles being directed?
fioM foil
-
•
3. What happens when the charged particles strike the surface of the gold foil?
4. What was the purpose of the fluorescent screen?
/
.
•ft) U ViSrblt oh<fl fkff )<A))fd J'hniAjh rt/L'l 0' <A^e5.
What did Rutherford conclude from the gold foil experiment regarding the C/t r/C C/'U
amount of empty space in the atom? Why was he able to conclude this?
.
/%>;/ tf tli (tk^ ii trtJfa S/Wt ^(Hi A dinli
low does the path of a charged particle that strikes the center of a gold atom y^-^t-u
6. How
differ • from
irom the
tne path
patn of
ot aa particle
particle that
m a t passes
passes near
near the
me center?
center.'
<
~'J.
~-
I
I rI
j (g
•3
flLn^W'j /t(i(/tu\) uilJ JIM
A yth-ltir dtSltfh'dii
I
7. Based on this experiment, where is most of the positive charge and mass of an
atom found?
NiklltiLS : fc/ffe/VK y/i ymLii
f
dflff Mufn/tX
j
®
8. What would have been observed if the positive charge of an atom had been
evenly spread throughout the atom?
I
J
l
ffuy
8
/.//>/>/ ttDit tf ft
Chemistry: Concepts and Applications
CLIA
~'~
pt,ltr/,\ L\t*./<rJ
Transparency Worksheet 4
1
"