The size of any species depends on vario...

The size of any species depends on various factors such as nature of charge, magnitude of charge/oxidation state, effective nuclear charge, electronic configuration etc.
Select the order of size which are correct?

`O gt O^(-) gt O^(2-)`

`B gt Be gt Li`

`Mg gt Mg^(+) gt Mg^(2+)`

`Sc lt Ti`

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The size of any species depends on various factors such as nature of charge, magnitude of charge/oxidation state, effective nuclear charge, electronic configuration etc. It has been observed that size of Indium (In) ~~ Thallium (TI). This can be attributed to:

actinoid contraction

lanthanoid contraction

both (a) and (b)

scandide contraction

the shielding effect

the atomic number

the charge on the nucleus

both the nuclear charge and the shielding effect.

`Li lt Na lt K lt Rb`

`Li gt N a gt K gt Rb`

`Li lt K lt Na lt Rb`

`Li lt Rb lt K lt Na `