Phosphorus Element (Periodic Table)

Phosphorus

Phosphorus (P) is a chemical element of the periodic table, located in the group 15 and the period 3, and is having the atomic number 15. It is a soft, waxy, yellow-white reactive nonmetal, whose name comes from the Greek word “phosphoros”, which means light bringer or light carrier. It is a member of the pnictogen group and is the 11th most abundant element on earth.

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
– p block

FAQs on Phosphorus Element

Phosphorus
‣ What does phosphorus look like?

Appearance: waxy white, yellow, red, violet, black metallic-looking
‣ When was phosphorus discovered and who discovered it?

Discovery: Hennig Brand (1669)
Recognized as an element by: Antoine Lavoisier (1777)
‣ Where is phosphorus found on the periodic table?

Phosphorus Periodic Table

Location: Phosphorus is found in the third row of the periodic table below the nitrogen element.
‣ What is phosphorus atomic number?

Atomic number (Z): 15
‣ What’s the symbol for phosphorus?

Symbol: P
‣ What is the atomic weight of phosphorus?

Standard atomic weight: 30.973761998
‣ What block is phosphorus in the periodic table?

Block: p-block
‣ What group is phosphorus in on the periodic table?

Group: 15 (pnictogens)
‣ Which period does phosphorus belong to?

Period: 3
Phosphorus covalent radius: 107±3 pm
Phosphorus Van der Waals radius: 180 pm
‣ What is phosphorus melting point?

Melting point:
white: 317.3 K (44.15 °C, 111.5 °F)
red: ~860 K (~590 °C, ~1090 °F)
‣ What is phosphorus boiling point?

Boiling point: white: 553.7 K (280.5 °C, 536.9 °F)
Phosphorus sublimation point:
red: ≈689.2-863 K (≈416-590 °C, ≈780.8-1094 °F)
violet: 893 K (620 °C, 1148 °F)
‣ How many electron shells does phosphorus have?

Electrons per shell: 2, 8, 5
‣ What is the correct electron configuration of phosphorus (p)?

Electron configuration: [Ne] 3s2 3p3
‣ What is phosphorus ionization energy?

Ionization energies:
1st: 1011.8 kJ/mol
2nd: 1907 kJ/mol
3rd: 2914.1 kJ/mol
‣ What is the phase of phosphorus?

Phase (at r.t): solid
‣ What is phosphorus’s density?

Density (near r.t):
white: 1.823 g/cm3
red: ≈2.2-2.34 g/cm3
violet: 2.36 g/cm3
black: 2.69 g/cm3
Phosphorus magnetic ordering: white, red, violet, black: diamagnetic
Phosphorus natural occurrence: primordial
‣ What is phosphorus oxidation state?

Oxidation state: +5
‣ What is the electronegativity of phosphorus?

Electronegativity: Pauling scale: 2.19
Phosphorus heat of fusion: white: 0.66 kJ/mol
Phosphorus heat of vaporization: white: 51.9 kJ/mol
Phosphorus molar heat capacity: white: 23.824 J/(mol K)
Phosphorus molar magnetic susceptibility: -20.8 × 10-6 cm3/mol (293 K)
‣ What is the crystal structure of phosphorus?

Crystal structure: body-centered cubic (bcc)
Thermal conductivity of phosphorus:
white: 0.236 W/(m.K)
black: 12.1 W/(m.K)
Bulk modulus of phosphorus:
white: 5 GPa
red: 11 GPa
Phosphorus CAS number:
7723-14-0 (red)
12185-10-3 (white)

‣ Phosphorus vapor pressure

Vapor pressure (white)
P (Pa)1101001 k10 k100 k
at T (K)279307342388453549
Vapor pressure (red, b.p. 431 °C)
P (Pa)1101001 k10 k100 k
at T (K)455489529576635704

‣ How many isotopes does phosphorus have?

Main isotopes of phosphorus
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
31P100 %stable
32Ptrace14.28 dβ32S
33Ptrace25.3 dβ33S

.
.
.

Related:

Also Read:

Leave a Comment