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How many effective NA^(+) and Cl^(-) ion...

How many effective `NA^(+)` and `Cl^(-)` ions are present respectively in the rock salt(NaCl).if ions along the axis joining opposite faces is removed?

A

`4,(7)/(2)`

B

`(7)/(2),(7)/(2)`

C

`(7)/(2),4`

D

3,3

Text Solution

Verified by Experts

The correct Answer is:
D
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