Transuranium Element (Periodic Table)

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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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