Kuprum

29
Cu
Kumpulan
11
Kala
4
Blok
d
Proton
Elektron
Neutron
29
29
35
Ciri-Ciri Am
Nombor atom
29
Berat atom
63.546
Nombor jisim
64
Kategori
Logam peralihan
Warna
Kuprum
Radioaktif
Tidak
From the Latin word cuprum, from the island of Cyprus
Struktur hablur
Pusat Wajah Kubik
Sejarah
Copper occurs naturally as native copper and was known to some of the oldest civilizations on record.

Earliest estimates of the discovery of copper suggest around 9000 BC in the Middle East.

It was one of the most important materials to humans throughout the copper and bronze ages.
Bilangan elektron per petala
2, 8, 18, 1
Konfigurasi elektron
[Ar] 3d10 4s1
Cu
Pure copper is orange-red and acquires a reddish tarnish when exposed to air
Ciri-Ciri Fizikal
Fasa
Pepejal
Ketumpatan
8.96 g/cm3
Takat lebur
1357.75 K | 1084.6 °C | 1984.28 °F
Takat didih
2835.15 K | 2562 °C | 4643.6 °F
Haba pelakuran
13.1 kJ/mol
Haba pengewapan
300 kJ/mol
Muatan haba molar
0.385 J/g·K
Banyak pada kerak bumi
0.0068%
Banyak pada alam semesta
6×10-6%
Macro
Kredit imej: Wikimedia Commons (Jonathan Zander)
Macro of native copper
Nombor CAS
7440-50-8
PubChem CID Number
23978
Ciri-Ciri Atom
Jejari atom
128 pm
Jejari kovalen
132 pm
Keelektronegatifan
1.9 (Skala Pauling)
Kebolehan mengion
7.7264 eV
Isipadu atom
7.1 cm3/mol
Daya pengaliran terma
4.01 W/cm·K
Keadaan pengoksidaan
1, 2, 3, 4
Aplikasi
Copper is often used for electrical wiring applications and for household plumbing applications.

Copper sulfate is used as a fungicide and as an algicide in rivers, lakes and ponds.

It is also used in cookware and cooking utensils.

Commercially important alloys such as brass and bronze are made with copper and other metals.
Cooking acidic food in copper pots can cause toxicity
Isotop
Isotop stabil
63Cu, 65Cu
Isotop tidak stabil
52Cu, 53Cu, 54Cu, 55Cu, 56Cu, 57Cu, 58Cu, 59Cu, 60Cu, 61Cu, 62Cu, 64Cu, 66Cu, 67Cu, 68Cu, 69Cu, 70Cu, 71Cu, 72Cu, 73Cu, 74Cu, 75Cu, 76Cu, 77Cu, 78Cu, 79Cu, 80Cu