Copper, 29Cu| File:NatCopper.jpg |
|
| दिखावट | Red-orange metallic luster |
|---|
| Standard atomic weight Ar°(Cu) | - 63.546±0.003
- 63.546±0.003 (abridged)[1]
|
|---|
|
|
|
| Atomic number (Z) | 29 |
|---|
| समूह | group 11 |
|---|
| अवधि | period 4 |
|---|
| ब्लॉक | d-block |
|---|
| ऋणावेशित सूक्ष्म अणु का विन्यास | [Ar] 3d10 4s1 |
|---|
| प्रति शेल इलेक्ट्रॉन | 2, 8, 18, 1 |
|---|
|
| Phase at STP | solid |
|---|
| गलनांक | 1357.77 K (1084.62 °C, 1984.32 °F) |
|---|
| क्वथनांक | 2835 K (2562 °C, 4643 °F) |
|---|
| Density (near r.t.) | 8.96 g/cm3 |
|---|
| when liquid (at m.p.) | 8.02 g/cm3 |
|---|
| संलयन की गर्मी | 13.26 kJ/mol |
|---|
| Heat of vaporization | 300.4 kJ/mol |
|---|
| दाढ़ गर्मी क्षमता | 24.440 J/(mol·K) |
|---|
Vapor pressure
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| at T (K)
|
1509
|
1661
|
1850
|
2089
|
2404
|
2834
|
|
|
| ऑक्सीकरण राज्य | −2, 0,[2] +1, +2, +3, +4 (a mildly basic oxide) |
|---|
| इलेक्ट्रोनगेटिविटी | Pauling scale: 1.90 |
|---|
| Ionization energies | - 1st: 745.5 kJ/mol
- 2nd: 1957.9 kJ/mol
- 3rd: 3555 kJ/mol
- (more)
|
|---|
| परमाणु का आधा घेरा | empirical: 128 pm |
|---|
| सहसंयोजक त्रिज्या | 132±4 pm |
|---|
| [वैन डेर वाल्स रेडियस]] | 140 pm |
|---|
| Spectral lines of copper |
|
| प्राकृतिक घटना | primordial |
|---|
| क्रिस्टल की संरचना | face-centered cubic (fcc) |
|---|
| Speed of sound thin rod | (annealed) 3810 m/s (at r.t.) |
|---|
| थर्मल विस्तार | 16.5 µm/(m⋅K) (at 25 °C) |
|---|
| ऊष्मीय चालकता | 401 W/(m⋅K) |
|---|
| विद्युत प्रतिरोधकता | 16.78 nΩ⋅m (at 20 °C) |
|---|
| चुंबकीय आदेश | diamagnetic[3] |
|---|
| दाढ़ चुंबकीय संवेदनशीलता | −5.46×10−6 cm3/mol[4] |
|---|
| यंग मापांक | 110–128 GPa |
|---|
| कतरनी मापांक | 48 GPa |
|---|
| थोक मापांक | 140 GPa |
|---|
| पॉइसन अनुपात | 0.34 |
|---|
| मोहन कठोरता | 3.0 |
|---|
| विकर्स कठोरता | 343–369 MPa |
|---|
| ब्रिनेल हार्डनेस | 235–878 MPa |
|---|
| CAS नंबर | 7440-50-8 |
|---|
|
| नामी | after Cyprus, principal mining place in Roman era (Cyprium) |
|---|
| खोज] | Middle East (9000 BC) |
|---|
| चिन्ह, प्रतीक | "Cu": from Latin cuprum |
|---|
|
|
Category Category: Copper | references |
Cu: Script error: The module returned a nil value. It is supposed to return an export table.
|
|
|
in
|
calc from C
|
diff
|
report
|
ref
|
| C
|
1084.62
|
—
|
—
|
|
|
| K
|
1357.77
|
1357.77
|
0
|
|
|
| F
|
1984.32
|
1984.32
|
0
|
|
|
| max precision
|
2
|
| WD
|
Script error: The module returned a nil value. It is supposed to return an export table.
|
|
|
Script error: The module returned a nil value. It is supposed to return an export table.
|
| input
|
C: 1084.62, K: 1357.77, F: 1984.32
|
| comment
|
|
Cu: Script error: The module returned a nil value. It is supposed to return an export table.
|
|
|
in
|
calc from C
|
diff
|
report
|
ref
|
| C
|
2562
|
—
|
—
|
|
|
| K
|
2835
|
2835
|
0
|
|
|
| F
|
4643
|
4644
|
-1
|
delta
|
|
| max precision
|
0
|
| WD
|
Script error: The module returned a nil value. It is supposed to return an export table.
|
|
|
Script error: The module returned a nil value. It is supposed to return an export table.
|
| input
|
C: 2562, K: 2835, F: 4643
|
| comment
|
|
References
These references will appear in the article, but this list appears only on this page.
Lua error in Module:TNT at line 182: Missing Commons dataset I18n/Module:TNT.tab.