TS EAMCET · Chemistry · Solid State
Copper crystallises in cсp arrangement and accepted value of metal ion radius was found to be \(1.14 Å\). Calculate the density of copper in grams per cubic centimetre. (Atomic weight of copper is \(64, N_A=6 \times 10^{23}\) )
- A 6.67
- B 7.8
- C 8.9
- D 10
Answer & Solution
Correct Answer
(A) 6.67
Step-by-step Solution
Detailed explanation
Given, copper crystallises in ccp manner radius \(=1.41 Å=141 \mathrm{pm}\) Atomic weight of copper \(=64\) Avogadro's number \(=6 \times 10^{23}\), Density \(=\) ? \(\rho=\frac{Z \times M}{a^3 \times N_a}\) Here, edge length of unit cell can be calculate as…
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