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Sodium metal crystallizes in a body centred cubic lattice witha unit cell edge of 4.29Å. The radius of sodium atom isapproximately :               [JEE M 2015]
  • a)
    5.72Å
  • b)
    0.93Å
  • c)
    1.86Å
  • d)
    3.22Å
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Sodium metal crystallizes in a body centred cubic lattice witha unit c...
In a body-centered cubic lattice, atoms touch along the body diagonal of the cube. Thus

4r=√3​a

r=√3​a​/4

r=(√3/4)×4.29 = 1.86 A
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Sodium metal crystallizes in a body centred cubic lattice witha unit c...
Is option C the correct option..
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Sodium metal crystallizes in a body centred cubic lattice witha unit cell edge of 4.29Å. The radius of sodium atom isapproximately : [JEE M 2015]a)5.72Åb)0.93Åc)1.86Åd)3.22ÅCorrect answer is option 'C'. Can you explain this answer?
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Sodium metal crystallizes in a body centred cubic lattice witha unit cell edge of 4.29Å. The radius of sodium atom isapproximately : [JEE M 2015]a)5.72Åb)0.93Åc)1.86Åd)3.22ÅCorrect answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Sodium metal crystallizes in a body centred cubic lattice witha unit cell edge of 4.29Å. The radius of sodium atom isapproximately : [JEE M 2015]a)5.72Åb)0.93Åc)1.86Åd)3.22ÅCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Sodium metal crystallizes in a body centred cubic lattice witha unit cell edge of 4.29Å. The radius of sodium atom isapproximately : [JEE M 2015]a)5.72Åb)0.93Åc)1.86Åd)3.22ÅCorrect answer is option 'C'. Can you explain this answer?.
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