The element with atomic number 43 is Technetium (Tc), whose electronic configuration is, 5 2 4 5 Kr d s So, Tc belongs to the 5th period and 7th group of the periodic table. Therefore, the element just above Tc belongs to the 4th period and 7th group with the electronic configuration 2 2 6 2 6 5 2 1 2 2 3 3 3 4 s s p s p d s or 5 2 3 4 Ar d s which is Manganese [Mn]
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