Copper, 29 Cu File:NatCopper.jpg दिखावट Red-orange metallic luster Standard atomic weight A r °(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 copperप्राकृतिक 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
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