Question

Seas studont roe know ther.
[
d=frac{2-m}{q^{3}, N_{a}},--c b
]
for Bec ( z=2 ) ond
[
q=frac{48}{sqrt{3}}
]
for FCO ( z=4 ) ond ( a=4 gamma ) for ( operatorname{sce} z=1 ) and ( a=2 gamma ) Nous substitesting the value of 2 and a in equationd me by one and ne nill find thee amaity roluch is given that ( 19 cdot 4,8201 mathrm{cm}^{3} ) Molacutes mase of 10 is 183.84
Din solving ne ale getting for sce
[
d=14 cdot 317 operatorname{gm} / cos 3
]
for
[
begin{array}{l}
d=19 cdot 81 g m / mathrm{cm}^{3}
d=7 cdot 63 mathrm{gm} / mathrm{cm}^{3}
end{array}
]
for
Henee, it is claos turet thystal structione of tungeten has BCe spuctiese. Regaids

# 101 PUT 20. Tungsten has an atomic radius of 0.136 nm. The density of tungsten is 19.4 g/cm3. What is the crystal structure of tungsten? (Atomic weight: W = 184) A. Simple cubic B. Body centred cubic

Solution