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Radius of an atom from the edge length of a bcc unit cell

The same question, asked 5 times: 4 May 2023 S1*, 11 May 2023 S2*, 13 May 2024 S2*, 26 Apr 2025 S2, 12 May 2026 S2. Every wording below, oldest first.

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  1. Question 1

    4 May 2023 S1

    91
    Calculate the radius of metal atom if it forms bcc unit cell having edge length 530 pm.

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  2. Question 2

    11 May 2023 S2

    85
    What is atomic radius of an element if it crystallises in BCC structure with edge length of unit cell 287 pm?

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  3. Question 3

    13 May 2024 S2

    90
    Find the radius of metal atom in bcc unit cell having edge length 450 pm.

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  4. Question 4

    26 Apr 2025 S2

    67
    Calculate the radius of an atom of an element in pm if it forms bcc unit cell structure having edge length 4.3×10−8 cm4.3 \times 10^{-8}\ \text{cm}.

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  5. Question 5

    12 May 2026 S2

    20
    Sodium crystallizes in the bcc structure. If the edge length of a unit cell is 4.3×10−84.3 \times 10^{-8} cm, calculate the radius of an atom.

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