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General Characteristics & Uses of Actinoids

Correct statements among the following are

A) Actinoids show variable oxidation states

B) Highest oxidation state shown by actinoids in their compounds is +6

C) All actinoids are synthetic elements

D) Actinoids react with both acids and alkalies


A) Actinoids show variable oxidation states due to a very small energy difference between 7s, 6d and 5f electrons.

B)Np and Pu  exihibit maximum oxidation state of +7 in their compounds

C) Actinoids from Z=95 -103 are synthetic elements

D)Actinoids are truely metallic, they react with acids but cannot react with alkalies.

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