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In polymeric
CHEMISTRY · Single correct
Problem
In polymeric
(
B
e
C
l
2
)
n
(\mathrm{BeCl_2})_n
(
BeC
l
2
)
n
, there are (1) three-centre four-electron bonds (2) three-centre three-electron bonds (3) two-centre three-electron bonds (4) two-centre two-electron bonds
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