nuclear decayparticle symbols; !He,
!e, *0,u,
ooy,
i", ',p
Complete and balance the following nuclear transformations.
'3{
a)
Beta decayof sulfur-35
b)
Formationof silicon-30via positronemission.
',: -.5 - - i c
- i e + ,r c i
j {
to P
Electroncaptureby mercury-201.It
c)
a.
+ tu si
l't
r1-
*--t:,M
-*'^rrJ * lru
Nuclides which decay via electron ffi,u."
nr,
--t
or positron emissionfloOu"" stable daughter nuclides.
What is similar aboutthesetwo decaymodes?
Tl^
b.
h r"oL
,
I v\ ( '- ?.".
ut z u{ l-d}LJ
i\=
<'f
Why are the parentnuclidesunstable?
. +t*- yrr{cr. - p*{"^ r*- 1ui: i"x 't *.- s-c*-E{ 3
5;,nphr{,..'- [,\o.1
Give one possibled""uyl*ode
!
, /,,
"u"h
i*."i.conium-88 and zirconium-96. Use the given nucleonplot.
zirconium-8t a.- ca-flwr-c-
Pi
of
zirconium-9
6 G'\-
Q'Pttsiio>t
lq'
#,/,/
14r,
Write a balanced equation for each of the following nuclear processes.
a) formationof titanium-48via positronemission
b) fonnation of silver-107via electroncapture
4g t/
. V
tolCrl
{t* -/
;
^
2
t-
o@-
r
*--z
toz A o
|s - - t
ztd
c) formationof polonium-206byalphadecay
ft.t
.-----^ 'zfd
7i
3c
o
€
T
fe
.f.
4
z*
k
Element 106,Seaborgium(Sg),is produced by smashingnuclidestogether. Seaborgium-263is made by
bombarding a californitm-249 target with oxygen-18particles.
a) Write the balancedequationfor this transmutation.Neutronsare also producedin this process.
L,('tn,
't"
ltLf
Ito
Otru
S
iot J
t 4,
rn
o
b) Seaborgitm-263decaysby alpha emission. What is the other daughterparticle? Write the nuclide symbol.
2c7
lcU
So
d
tfiu,
4
-----2 ' H< * taYftt
L
The only stable isotope of fluorine is fluorine-19. Predict possibledecay modes of the listed nuclides of fluorine.
Usethe givennuclidechart.
fluorine-2,
!"/,1
fr
'
&t ,,-r
LJ'
{}
,r/
fluorine-18
g**'--*/
fluorine-17
dt ( - ' t.P- t
/t'
/t-
i
f'.,+ ^
t"
t-r .e1*7J,,,tx
/
f'
' 0,87