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Ent.13. In modern periodic table. inert gas elements are placed in eighth group.14. The internal structure and arrangement of boncs of the forelimbs of lizard, bird andhuman being are different15. Laws of reflection are applicable to any type of mirror.​

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Answer:

13. Group 8 is a group (column) of chemical elements in the PERIODIC table. It consists of iron (Fe), RUTHENIUM (Ru), osmium (Os) and hassium (HS).[1] They are all transition metal



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