ComParison between lanthanides and actinides?
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lanthanides
• lanthanides is a set of elements in the periodic table with amotic number 57 to 71
• fill electrons up to 4f sub-orbitals
• except promethium, other are not radioactive.
•show maximum oxidation state +4
actinides
• actinides is a set of elements in the periodic table with amotic number ranging from 90 to 103.
• fill electrons up to 5f sub-orbitals
• all the actinides are radioactive
• show +3 +4 +5 +6 and +7 oxidation state
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