Which of the following is/are wrong w.r....

Which of the following is/are wrong w.r.t. atomic volume curve developed by Lothar Mayer?

A

Alkali metals occupied the crests and transition elements occupied the troughs.

B

Alkaline earth metals occupied at about the mid-points of the descending positions of the curve.

C

Boron has the least atomic volume among all elements.

D

Tans uranic elements are placed as a horizontal row below the curve.

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Knowledge Check

Which of the following order is wrong?

A

`NH_3 lt PH_3 lt AsH_3` - acidic character

B

`Li^+ lt Na^+ lt K^+ lt Cs^+` - ionic radius in gaseous state

C

`Li lt Be lt B lt C - IE_1`

D

`Li lt Na lt K lt Rb` - increasing metallic radius

Which of the following order is wrong?

A

`O gt F gt N gt C - Iind I.P`

B

`S^(-2) gt Cl^- gt K^+ gt Ca^(+2)` - ionic radius

C

`N gt C gt P gt Si - E . N`

D

`F gt Na gt Ne - Ist I.P`

Which of the following order is wrong?

A

`NH_(3) lt PH_(3) lt AsH_(3)` -Acidic character

B

`Li^(+) lt Na^(+) lt K^(+) lt Cs^(+)` -Ionic radius in gaseous state

C

`Lilt Be lt B lt C - IE,`

D

`Li lt Na lt K lt Rb`-Increasing metallic radius

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