Which of the following expressions is correct in the case of a sodium chloride unit cell (edge length, `a`)?A. `r_(o+) + r_(ɵ) = a`B. `r_(o+) + r_(ɵ) = a//2`C. `r_(o+) + r_(ɵ) = 2a`D. `r_(o+) + r_(ɵ) = sqrt2a`

Which of the following expressions is correct in the case of a sodium

1.	Which of the following expressions is correct in the case of a sodium chloride unit cell (edge length, `a`)?A. `r_(o+) + r_(ɵ) = a`B. `r_(o+) + r_(ɵ) = a//2`C. `r_(o+) + r_(ɵ) = 2a`D. `r_(o+) + r_(ɵ) = sqrt2a`
Answer» Correct Answer - B `r_(o+) + r_(ɵ) = a//2`

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Which of the following expressions is correct in the case of a sodium chloride unit cell (edge length, `a`)?A. `r_(o+) + r_(ɵ) = a`B. `r_(o+) + r_(ɵ) = a//2`C. `r_(o+) + r_(ɵ) = 2a`D. `r_(o+) + r_(ɵ) = sqrt2a`

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