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beryllium isnot very familiar because ...

beryllium isnot very familiar because
(i). It is not very abundant
(ii). It is inert
(iii). It is radioactive
(iv). It is difficult to extract
(v). It is difficult to extract

A

(i), (ii)

B

(i), (iii)

C

(i),(iv)

D

(ii),(iii)

Text Solution

Verified by Experts

The correct Answer is:
C
It is found in small quantities (relative abundance is 51) as the silicate mineral beryl `(Be_(3)Al_(2)Si_(6)O_(18))` and phenacite `(Be_(2)SiO_(4))` the gemstone emerald has the same formula as beryl but also contains small amounts of Cr which makes it green in colour.
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