Which element has the symbol “H”?
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Hydrogen
354 questions · Science
Periodic Table (All 118): Hydrogen is the lightest and simplest of all elements: a colourless, odourless gas. It is seen as a future energy carrier and burns to pure water. Helium is an extremely light, unreactive noble gas. It fills balloons and airships and, as a liquid, cools the magnets of MRI machines. Lithium is the lightest metal and highly reactive. Today it is used above all in the rechargeable batteries of phones and electric cars. Beryllium is a light, very stiff metal. Because of its strength and transparency to X-rays it is used in aerospace. Boron is a metalloid found in compounds such as borax and boric acid. It makes glass heat-resistant and acts as a flame retardant. Good to know: Hydrogen is the most common element in the universe: stars like the Sun are mostly made of it. Breathe in helium and your voice briefly turns high and squeaky, because sound travels faster through it. Lithium is so light it floats on water and today it powers almost every rechargeable battery.
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Hydrogen
H
1
Helium
He
2
Lithium
Li
3
Beryllium
Be
4
Boron
B
5
Carbon
C
6
Nitrogen
N
7
Oxygen
O
8
Fluorine
F
9
Neon
Ne
10
Sodium
Na
11
Magnesium
Mg
12
Aluminium
Al
13
Silicon
Si
14
Phosphorus
P
15
Sulfur
S
16
Chlorine
Cl
17
Argon
Ar
18
Potassium
K
19
Calcium
Ca
20
Scandium
Sc
21
Titanium
Ti
22
Vanadium
V
23
Chromium
Cr
24
Manganese
Mn
25
Iron
Fe
26
Cobalt
Co
27
Nickel
Ni
28
Copper
Cu
29
Zinc
Zn
30
Gallium
Ga
31
Germanium
Ge
32
Arsenic
As
33
Selenium
Se
34
Bromine
Br
35
Krypton
Kr
36
Rubidium
Rb
37
Strontium
Sr
38
Yttrium
Y
39
Zirconium
Zr
40
Niobium
Nb
41
Molybdenum
Mo
42
Technetium
Tc
43
Ruthenium
Ru
44
Rhodium
Rh
45
Palladium
Pd
46
Silver
Ag
47
Cadmium
Cd
48
Indium
In
49
Tin
Sn
50
Antimony
Sb
51
Tellurium
Te
52
Iodine
I
53
Xenon
Xe
54
Caesium
Cs
55
Barium
Ba
56
Lanthanum
La
57
Cerium
Ce
58
Praseodymium
Pr
59
Neodymium
Nd
60
Promethium
Pm
61
Samarium
Sm
62
Europium
Eu
63
Gadolinium
Gd
64
Terbium
Tb
65
Dysprosium
Dy
66
Holmium
Ho
67
Erbium
Er
68
Thulium
Tm
69
Ytterbium
Yb
70
Lutetium
Lu
71
Hafnium
Hf
72
Tantalum
Ta
73
Tungsten
W
74
Rhenium
Re
75
Osmium
Os
76
Iridium
Ir
77
Platinum
Pt
78
Gold
Au
79
Mercury
Hg
80
Thallium
Tl
81
Lead
Pb
82
Bismuth
Bi
83
Polonium
Po
84
Astatine
At
85
Radon
Rn
86
Francium
Fr
87
Radium
Ra
88
Actinium
Ac
89
Thorium
Th
90
Protactinium
Pa
91
Uranium
U
92
Neptunium
Np
93
Plutonium
Pu
94
Americium
Am
95
Curium
Cm
96
Berkelium
Bk
97
Californium
Cf
98
Einsteinium
Es
99
Fermium
Fm
100
Mendelevium
Md
101
Nobelium
No
102
Lawrencium
Lr
103
Rutherfordium
Rf
104
Dubnium
Db
105
Seaborgium
Sg
106
Bohrium
Bh
107
Hassium
Hs
108
Meitnerium
Mt
109
Darmstadtium
Ds
110
Roentgenium
Rg
111
Copernicium
Cn
112
Nihonium
Nh
113
Flerovium
Fl
114
Moscovium
Mc
115
Livermorium
Lv
116
Tennessine
Ts
117
Oganesson
Og
118
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