Kupro
29
Cu
Grupo
11
Perio
4
Bloko
d
Protonoj
Elektronoj
Neŭtronoj
29
29
35
Ĝeneralaj Propraĵoj
Atoma Nombro
29
Atommaso
63,546
Amasa Nombro
64
Kategorio
Transirmetaloj
Koloro
Kuprkolora
Radioaktiva
Ne
From the Latin word cuprum, from the island of Cyprus
Kristala Strukturo
Vizaĝo Centrita Kubo
Historio
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.
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.
Elektronoj per ŝelo
2, 8, 18, 1
Elektrona Agordo
[Ar] 3d10 4s1
Pure copper is orange-red and acquires a reddish tarnish when exposed to air
Fizikaj Propraĵoj
Fazo
Solido
Denso
8,96 g/cm3
Fandpunkto
1357,75 K | 1084,6 °C | 1984,28 °F
Bolpunkto
2835,15 K | 2562 °C | 4643,6 °F
Varmo de Fuzio
13,1 kJ/mol
Varmo de Vaporiĝo
300 kJ/mol
Specifa Varmo Kapacito
0,385 J/g·K
Krusta Abundo
0,0068%
Universa Abundo
6×10-6%
CAS Nombro
7440-50-8
PubChem Kunmetita Identiga Nombro
23978
Atomaj Propraĵoj
Atoma Radiuso
128 pm
Kovalenta Radiuso
132 pm
Elektronegativeco
1,9 (Pauling-skalo)
Potencialo de jonigo
7,7264 eV
Atoma Volumo
7,1 cm3/mol
Termika Kondukto
4,01 W/cm·K
Oksidaj Ŝtatoj
1, 2, 3, 4
Aplikoj
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.
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
Izotopoj
Stabilaj Izotopoj
63Cu, 65CuMalstabilaj Isotopoj
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