|
Cerium
|
Ce
|
58
|
Lanthanide
|
the then recently discovered asteroid Ceres, considered a planet at the time
|
|
6
|
140.12
|
0.00
|
6.77
|
1068.00
|
3716.00
|
0.19
|
1.12
|
66.50
|
|
Praseodymium
|
Pr
|
59
|
Lanthanide
|
the Greek praseios didymos meaning 'green twin'
|
|
6
|
140.91
|
0.00
|
6.77
|
1208.00
|
3793.00
|
0.19
|
1.13
|
9.20
|
|
Barium
|
Ba
|
56
|
Alkaline earth metal
|
the Greek barys, 'heavy'
|
2
|
6
|
137.33
|
0.01
|
3.59
|
1000.00
|
2170.00
|
0.20
|
0.89
|
425.00
|
|
Astatine
|
At
|
85
|
Metalloid
|
the Greek astatos, 'unstable'
|
17
|
6
|
|
|
7.00
|
575.00
|
610.00
|
|
2.20
|
0.00
|
|
Tellurium
|
Te
|
52
|
Metalloid
|
Latin tellus, 'earth'
|
16
|
5
|
127.60
|
0.03
|
6.23
|
722.66
|
1261.00
|
0.20
|
2.10
|
0.00
|
|
Antimony
|
Sb
|
51
|
Metalloid
|
uncertain: perhaps from the Greek anti, 'against', and monos, 'alone', or the Old French antimoine, 'Monk's bane' (stibium in Latin)
|
15
|
5
|
121.76
|
0.00
|
6.69
|
903.78
|
1860.00
|
0.21
|
2.05
|
0.20
|
|
Iodine
|
I
|
53
|
Reactive nonmetal
|
French iode (after the Greek ioeides, 'violet')
|
17
|
5
|
126.90
|
0.00
|
4.93
|
386.85
|
457.40
|
0.21
|
2.66
|
0.45
|
|
Indium
|
In
|
49
|
Post-transition metal
|
indigo
|
13
|
5
|
114.82
|
0.00
|
7.31
|
429.75
|
2345.00
|
0.23
|
1.78
|
0.25
|
|
Tin
|
Sn
|
50
|
Post-transition metal
|
English word (stannum in Latin)
|
14
|
5
|
118.71
|
0.01
|
7.29
|
505.08
|
2875.00
|
0.23
|
1.96
|
2.30
|
|
Cadmium
|
Cd
|
48
|
Post-transition metal
|
the New Latin cadmia, from King Kadmos
|
12
|
5
|
112.41
|
0.00
|
8.69
|
594.22
|
1040.00
|
0.23
|
1.69
|
0.16
|