Raksa

80
Hg
Golongan
12
Periode
6
Blok
d
Proton
Elektron
Neutron
80
80
121
Sifat Umum
Nomor atom
80
Massa atom
200,59
Nomor massa
201
Kategori
Logam transisi
Warna
Perak
Radioaktif
Tidak
From the Latin word hydrargyrum meaning liquid silver
Struktur kristal
Trigonal Sederhana
Sejarah
Mercury was known to the ancient Chinese and Indians and has been found in Egyptian tombs dating back to about 1500 BC.

Alchemists thought of mercury as the First Matter from which all metals were formed.

They believed that different metals could be produced by varying the quality and quantity of sulfur contained within the mercury.
Elektron per kulit
2, 8, 18, 32, 18, 2
Konfigurasi elektron
[Xe] 4f14 5d10 6s2
Hg
Mercury is the only metal that is liquid at room temperature
Sifat Fisika
Fase
Liquid
Kepadatan
13,5336 g/cm3
Titik lebur
234,32 K | -38,83 °C | -37,89 °F
Titik didih
630,15 K | 357 °C | 674,6 °F
Kalor peleburan
2,29 kJ/mol
Kalor penguapan
59,2 kJ/mol
Kapasitas kalor molar
0,14 J/g·K
Kelimpahan di kerak bumi
6,7×10-6%
Kelimpahan di alam semesta
1×10-7%
Element
Kredit Gambar: Wikimedia Commons (Bionerd)
Element mercury in liquid form
Nomor CAS
7439-97-6
PubChem CID Number
23931
Sifat Atom
Jari-jari atom
151 pm
Jari-jari kovalen
132 pm
Elektronegativitas
2,00 (Skala Pauling)
Potensi Ionisasi
10,4375 eV
Volume atom
14,82 cm3/mol
Kondusivitas termal
0,0834 W/cm·K
Bilangan oksidasi
1, 2, 4
Aplikasi
Mercury is used in barometers and manometers because of its high density.

Gaseous mercury is used in mercury-vapor lamps and some 'neon sign' type advertising signs and fluorescent lamps.

Mercury is also found in liquid mirror telescopes.

Gaseous mercury is also found in some electron tubes, including ignitrons, thyratrons, and mercury arc rectifiers.
Mercury and most of its compounds are highly toxic
Isotop
Isotop stabil
196Hg, 198Hg, 199Hg, 200Hg, 201Hg, 202Hg, 204Hg
Isotop tidak stabil
171Hg, 172Hg, 173Hg, 174Hg, 175Hg, 176Hg, 177Hg, 178Hg, 179Hg, 180Hg, 181Hg, 182Hg, 183Hg, 184Hg, 185Hg, 186Hg, 187Hg, 188Hg, 189Hg, 190Hg, 191Hg, 192Hg, 193Hg, 194Hg, 195Hg, 197Hg, 203Hg, 205Hg, 206Hg, 207Hg, 208Hg, 209Hg, 210Hg