A group `IV` A element with a density of `11.35 g//cm^(3)` crystallises in a face centered cubic lattice whose unit cell edge length is `4.95 Å` .Calculate its atomic massA. `207.2 g//mol`B. `180 g//mol`C. `109.9 g//mol`D. `280.8 g//mol`

A group `IV` A element with a density of `11.35 g//cm^(3)` crystallise

1.	A group `IV` A element with a density of `11.35 g//cm^(3)` crystallises in a face centered cubic lattice whose unit cell edge length is `4.95 Å` .Calculate its atomic massA. `207.2 g//mol`B. `180 g//mol`C. `109.9 g//mol`D. `280.8 g//mol`
Answer» Correct Answer - d `d = (GAM xx Z)/(N_(A) xx a^(3))` for `PC C,Z = 4` `GMA = 207.2 g//mol`

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A group `IV` A element with a density of `11.35 g//cm^(3)` crystallises in a face centered cubic lattice whose unit cell edge length is `4.95 Å` .Calculate its atomic massA. `207.2 g//mol`B. `180 g//mol`C. `109.9 g//mol`D. `280.8 g//mol`

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