Home
Class 11
CHEMISTRY
By X-ray studies, the packing atoms, in ...

By X-ray studies, the packing atoms, in a crystal of gold is found to be in layers such that starting from any layer, every fourth layer is found to be exactly idenctical. The density of gold is found to be ` 19.4 g cm^(-3)` and its atomic mass is 197 a.m.u.
The fraction occupied by gold atoms in the crystal is

A

0.52

B

0.68

C

0.74

D

1

Text Solution

Verified by Experts

The correct Answer is:
C
In ccp, the fraction occupied is 0.74.
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER: SOLID MATTER

    PRADEEP|Exercise COMPETITION FOCUS (MATCHING)|2 Videos

  • STATES OF MATTER: SOLID MATTER

    PRADEEP|Exercise COMPETITION FOCUS (INTEGER)|9 Videos

  • STATES OF MATTER: SOLID MATTER

    PRADEEP|Exercise COMPETITION FOCUS (II.MULTIPLE CHOICE)|10 Videos

  • STATES OF MATTER : GASES AND LIQUIDES

    PRADEEP|Exercise VIII. ASSERTION-REASON TYPE QUESTIONS (TYPE-II)|12 Videos

  • STRUCTURE OF ATOM

    PRADEEP|Exercise Competition Focus (JEE (Main and Advanced)/Medical Entrance (IX. Assertion And Reason Type Questions (Type II))|12 Videos

Similar Questions

Explore conceptually related problems

An elemetnts crystallizes in a face centered cubic lattice and the edge of the unit cell is 0.559nm. The density is 3.19g//cm^(3) . What is the atomic mass?

Crystalline CsBr has a cubic structure. Calculate the unit cell edge length if the density of CsBr crystal is 4.24 g cm^(-3) (atomic masses : Cs = 133, Br = 80) .