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  Weeds

Principles of Weed Science, PLS 4601c
(and Grad. Principles of Weed Science AGR 6932)

Calendar / Handouts Learning Objectives Old Exams Syllabus

Period 1   18
1 1
H
1.008
2 Group 13 14 15 16 17 2
He
4.003
2 3
Li
6.941
4
Be
9.012
5
B
10.81
6
C 12.01
7
N
14.01
8
O 16.00
9
F 19.00
10
Ne
20.18
3 11
Na
22.99
12
Mg 24.31
3 4 5 6 7 8 9 10 11 12 13
Al
26.98
14
Si
28.09
15
P
30.97
16
S
32.07
17
Cl 35.45
18
Ar
39.95
4 19
K
39.10
20 Ca 
40.08
21
Sc
44.96
22
Ti
47.88
23
V
50.94

24
Cr
52.00

25
Mn
54.94

26
Fe
55.85
27
Co
58.93
28
Ni
58.69

29
Cu
63.55

30
Zn
65.39
31
Ga
69.72
32
Ge
72.59
33
As
74.92
34
Se
78.96
35
Br
79.90
36
Kr
83.80
5 37
Rb
85.47
38
Sr
87.62
39
Y
88.91
40
Zr
91.22
41
Nb
92.91
42
Mo
95.94
43
Tc
(98)
44
Ru
101.1
45
Rh
102.9
46
Pd
106.4
47
Ag
107.9
48
Cd
112.4
49
In
114.8
50
Sn
118.7
51
Sb
121.8
52
Te
127.6
53
I
126.9
54
Xe
131.3
6 55 Cs
132.9
56
Ba
137.3
57
La *138.9
72
Hf
178.5
73
Ta
180.9
74
W
183.9
75
Re
186.2
76
Os
190.2
77
Ir
192.2
78
Pt
195.1
79
Au
197.0
80
Hg
200.5
81
Tl
204.4
82
Pb
207.2
83
Bi
209.0
84
Po
(210)
85
At
(210)
86
Rn
(222)
7 87
Fr
(223)
88
Ra
(226)
89
Ac ~(227)
104
Rf
(257)
105
Db
(260)
106
Sg
(263)
107
Bh
(262)
108
Hs
(265)
109
Mt
(266)
110
Ds
(271)
111
Uuu
(272)
112
Uub
(277)
114
Uuq
(296)
116
Uuh
(298)
118
Uuo
(?)

Lanthanide Series

58
Ce
140.1
59
Pr
140.9
60
Nd
144.2
61
Pm
(147)
62
Sm
150.4
63
Eu
152.0
64
Gd
157.3
65
Tb
158.9
66
Dy
162.5
67
Ho
164.9
68
Er
167.3
69
Tm 168.9
71
Lu
175.0
Actinide Series 90
Th
232.0
91
Pa
(231)
92
U
(238)
93
Np
(237)
94
Pu
(242)
95
Am
(243)
96
Cm
(247)
97
Bk
(247)
98
Cf
(249)
99
Es
(254)
100
Fm
(253)
101
Md
(256)
102
No
(254)
103
Lr
(257)