Transuranium Element (Periodic Table)

Transuranium Element

The transuranium elements in the periodic table include the 26 chemical elements from atomic number 93 to 118: neptunium (Np), plutonium (Pu), americium (Am), curium (Cm), berkelium (Bk), californium (Cf), einsteinium (Es), fermium (Fm), mendelevium (Md), nobelium (No), lawrencium (Lr), rutherfordium (Rf), dubnium (Db), seaborgium (Sg), bohrium (Bh), hassium (Hs), meitnerium (Mt), darmstadtium (Ds), roentgenium (Rg), copernicium (Cn), nihonium (Nh), flerovium (Fl), moscovium (Mc), livermorium (Lv), tennessine (Ts), and oganesson (Og).

Out of 26 transuranium elements, the first 11 are actinides, and the other 15 are transactinides. All of these elements are unstable, and each of them decays radioactively into other elements.

group
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
period
1
1
H
2
He
2
3
Li
4
Be
5
B
6
C
7
N
8
O
9
F
10
Ne
3
11
Na
12
Mg
13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
4
19
K
20
Ca
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
5
37
Rb
38
Sr
39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
6
55
Cs
56
Ba
72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
Tl
82
Pb
83
Bi
84
Po
85
At
86
Rn
7
87
Fr
88
Ra
104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Cn
113
Nh
114
Fl
115
Mc
116
Lv
117
Ts
118
Og
57
La
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
Yb
71
Lu
89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
103
Lr
– transuranium element

FAQs on Transuranium Element

‣ Are transuranium elements synthetic?

Except for neptunium (Np) and plutonium (Pu), all transuranium elements are synthetic elements.
‣ Is plutonium a transuranium element?

Plutonium is a transuranium element located in period 7 of the periodic table.
‣ What was the first transuranium that was ever synthesized?

The neptunium element in the periodic table was the first transuranium element ever synthesized.
‣ Are all transuranium elements actinides?

All transuranium elements (excluding the four elements actinium, thorium, palladium, and uranium) are actinides.
‣ Is Mt a transuranium element?

The meitnerium (Mt) is a transuranium element located in period 7 of the periodic table.
‣ Are transuranium elements found in nature?

Only two transuranium elements (neptunium and plutonium) are naturally occurring.
‣ Is fermium a transuranium element?

Fermium is a transuranium element located in period 7 of the periodic table.
‣ What is the lowest atomic number transuranium element?

The neptunium (Np) in the periodic table is a transuranium element with the lowest atomic number.
‣ Where are transuranium elements on the periodic table?

All transuranium elements are in period 7 of the periodic table, starting from next to the uranium element.
‣ Is thorium a transuranium element?

Thorium is not a transuranium element.
‣ Is einsteinium a transuranium element?

Einsteinium is a transuranium element located in period 7 of the periodic table.
‣ Are all transactinide elements transuranium elements?

All transactinide elements (or superheavy elements) are transuranium elements.
‣ How many transuranium elements are there?

There are a total of 26 transuranium elements in the periodic table.

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