1. Tardigrade
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  3. Chemistry
  4. The element with electronic configuration of its atom 1s2,2s2,2p6,3s2,3p6,3d10,4s1 is:

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Q. The element with electronic configuration of its atom $ 1{{s}^{2}},2{{s}^{2}},2{{p}^{6}},3{{s}^{2}},3{{p}^{6}},3{{d}^{10}},4{{s}^{1}} $ is:

KEAMKEAM 2000

Solution:

The element has 29 electrons, with electronic configuration $ 1{{s}^{2}},2{{s}^{2}},2{{p}^{6}},3{{s}^{2}},3{{p}^{6}},3{{d}^{10}},4{{s}^{1}} $ is copper. Its atomic number is 29.