Period 3 Element (Periodic Table)

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Period 3 Element

Period 3 elements in the periodic table include the eight chemical elements from atomic number 11 to 18: sodium (Na), magnesium (Mg), aluminium (Al), silicon (Si), phosphorus (P), sulfur (S), chlorine (Cl), and argon (Ar). These elements are in the third row of the periodic table.

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
3 – period 3 element

FAQs on Period 3 Element

‣ Which element of period 3 has valency 4?

The silicon element in period 3 of the periodic table has valency 4.
‣ Where is period 3 on the periodic table?

Period 3 is in the third row of the periodic table.
‣ Which element in period 3 is the most active nonmetal?

The chlorine element in period 3 of the periodic table is the most active nonmetal.
‣ Which of the period 3 elements has the highest melting point?

The silicon element in period 3 of the periodic table has the highest melting point.
‣ Which is the least reactive element in period 3?

The argon element in period 3 of the periodic table is the least reactive.
‣ Which element in period 3 is the most electronegative?

The chlorine element in period 3 of the periodic table is the most electronegative.
‣ What is the atomic number of elements in period 3?

The atomic numbers of the elements in period 3 are from 11 to 18.
‣ Which element in period 3 has the highest second ionization energy?

The sodium element in period 3 of the periodic table has the highest second ionization energy.
‣ Which element in period 3 does not form oxide?

The argon element in period 3 of the periodic table does not form oxide.
‣ Which period 3 element has the lightest melting point?

The argon element in period 3 of the periodic table has the lightest melting point.
‣ Which period 3 element has the least tendency to attract electrons?

The sodium element in period 3 of the periodic table has the least tendency to attract electrons.
‣ Which period 3 element has the highest first ionization energy?

The argon element in period 3 of the periodic table has the highest first ionization energy.
‣ What element is in group 2 period 3?

The magnesium element is in group 2 and period 3 of the periodic table.
‣ What element is found in group 16 and period 3?

The sulfur element is in group 16 and period 3 of the periodic table.
‣ What element is in group 1 period 3?

The sodium element is in group 1 and period 3 of the periodic table.
‣ What is a main group element in period 3?

All elements in period 3 of the periodic table are main group elements.
‣ What is the most metallic element in period 3?

The sodium element in period 3 of the periodic table is the most metallic.

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