1.

Element E has bcc crystal arrangement, if its unit cell has edge length of 1.469 xx 10^(-10)meter, then atomic radius of this element is .... meter.

Answer»

`2.252 XX 10^(-8)` 
`4.682 xx 10^(-9)`
`6.361 xx 10^(-11)`
`3.582 xx 10^(-10)`

ANSWER :C


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