IA
IIA
+1
+2
1
H
1s
IVB
VB
VIB
VIIB
Atomic number (Z) →
1
[-----------------VIIIB------------------] IB
1
1s
1
IIB
IIIA
IVA
VA
VIA
VIIA
+3
+4/-4
-3
-2
-1
s block
← Predicted electron configuration. Dashed lines indicate exceptions.
1.008
4
Charge
1s 2
He
helium
4.003
atomic mass
2s 1
Group
2
p block
name
VIIIA
0
Symbol ← Normal font=solid, outline=liquid, italic=gas at room temperature
hydrogen
3
IIIB
5
2s 2
Periodic Table of the Elements
2p 1
6
2p 2
N
8
O
2p 4
9
F
2p 5
10
2p 6
Ne
Li
Be
beryllium
9.012
10.811
12.011
14.007
15.999
18.998
20.180
11
12
13
14
15
16
17
18
3s 1
3s 2
Na Mg
sodium
Transition Metals
d block
magnesium
22.990 24.305
19
4s 1
20
4s 2
21
3d 1
22
3d 2
K
Ca
Sc
Ti
potassium
calcium
scandium
titanium
39.098 40.078
37
5s 1
38
5s 2
47.867
39
40
4d 2
Rb
Sr
Y
Zr
rubidium
strontium
yttrium
zirconium
85.468
55
6s 1
87.62
88.906
56
57
6s 2
Cs Ba
cesium
barium
87
88
5d 1
3d 3
V
44.956
4d 1
23
3d 4
25
3d 5
26
3d 6
27
3d 7
28
3d 8
29
3d 9
30
3d 10
3p 1
Fr
7s 2
vanadium chromium manganese
iron
cobalt
nickel
copper
zinc
S
sulfur
chlorine
argon
26.982
28.086
30.974
32.066
35.453
39.948
31
32
33
34
35
36
4p 1
gallium
radium
alkali metals
alkaline earth
metals
(223)
(226)
72.61
74.922
49
50
51
Nb Mo Tc
niobium
5d 3
95.94
74
5d 4
(98)
75
5d 5
tantalum
tungsten
rhenium
104
105
106
107
4d 10
Ru Rh Pd Ag Cd
molybdenum technetium ruthenium
hafnium
rhodium
palladium
silver
5p 1
6d 3
6d 4
dubnium
(262)
seaborgium
(266)
(264)
5p 4
4f 1
59
4f 2
Ce
Pr
cerium
praseodymium
60
4f 3
90
5f 1
91
5f 2
61
4f 4
In
Sn
Sb
Te
I
tin
antimony
tellurium
iodine
76
5d 6
osmium
77
5d 7
78
5d 8
Ir
Pt
iridium
platinum
79
5d 9
80
81
83
84
5d 10
Au Hg
gold
6p 1
108
6d 6
109
6d 7
110
6d 8
111
6d 9
hassium
(277)
meitnerium
(268)
82
6p 2
6p 3
6p 4
62
4f 5
63
4f 6
92
5f 3
Th
Pa
U
thorium
protactinium
uranium
232.038 231.036 238.029
promethium samarium
(145)
93
5f 4
Pb
Bi
Po
lead
207.2
bismuth
208.980
polonium
astatine
112
113
114
115
116
117
6d 10
copernecium
(271)
(272)
(278)
europium gadolinium
5p 6
Xe
xenon
7p 1
nihonium
(284)
7p 2
7p 3
(209)
7p 4
Fl Mc Lv
flerovium
(289)
65
4f 8
66
4f 9
67
4f 10
terbium
dysprosium
holmium
68
4f11
86
6p 6
(210)
7p 5
radon
(222)
118
7p 6
Ts
Og
moscovium
livermorium
tennessine
oganesson
(288)
(293)
(294)
(294)
halogens
noble gases
69
4f 12
70
4f 13
71
4f 14
Er Tm Yb Lu
erbium
thulium
ytterbium
lutetium
150.360 151.964 157.250 158.925 162.50 164.930 167.260 168.934 173.04 174.967
94
5f 5
95
5f 6
96
5f 7
97
5f 8
98
5f 9
Np Pu Am Cm Bk Cf
neptunium plutonium americium
(237)
83.80
At Rn
Tl
roentgenium
4f 7
6p 5
thallium
darmstatdium
64
85
mercury
Nd Pm Sm Eu Gd Tb Dy Ho
neodymium
5p 5
indium
Inner Transition Metals, f block
140.116 140.908 144.240
Actinides
bohrium
5p 3
101.07 102.906 106.42 107.868 112.411 114.818 118.710 121.760 127.60 126.904 131.29
Re Os
6d 5
5p 2
cadmium
Rf Db Sg Bh Hs Mt Ds Rg Cn Nh
58
Lanthanides
54
69.723
48
73
(261)
53
65.39
47
lanthanum
(227)
52
63.546
72
rutherfordium
79.904
krypton
46
W
actinium
78.96
bromine
58.693
4d 9
Kr
selenium
45
4d 8
4p 6
arsenic
58.933
4d 7
4p 5
Br
44
Ta
Ra Ac
francium
germanium
4p 4
Se
55.845
92.906
6d 2
4p 3
43
Hf
6d 1
4p 2
54.938
4d 6
Cl Ar
P
phosphorus
42
4d 5
3p 6
Si
51.996
4d 4
3p 5
neon
silicon
41
4d 3
3p 4
fluorine
Al
50.942
La
89
3p 3
oxygen
aluminum
132.905 137.327 138.906 178.49 180.948 183.84 186.207 190.23 192.217 195.078 196.967 200.59 204.383
7s 1
3p 2
nitrogen
Cr Mn Fe Co Ni Cu Zn Ga Ge As
91.224
5d 2
24
C
carbon
2p 3
lithium
6.941
B
boron
7
(244)
(243)
curium
(247)
99
5f 10
(251)
5f11
101
5f 12
102
5f 13
Es Fm Md No
berkelium californium einsteinium
(247)
100
(252)
fermium
(257)
mendelevium
(258)
nobelium
(259)
103
5f 14
Lr
lawrencium Fall 2016
(262)
Dr. Michael Love