Write down the electronic configurations of atoms of elements with serial numbers 21, 24, 38, 26
| August 22, 2021 | education
1) Scandium (Sc) – chemical element number 21 of Mendeleev’s table. Scandium has the following electronic configuration: 1s22s22p63s23p63d14s2;
2) Chromium (Cr) – chemical element number 24 of the table of D.I. Mendeleev. Chromium has the following electronic configuration: 1s22s22p63s23p63d54s1;
3) Strontium (Sr) – chemical element number 38 of DI Mendeleev’s table. Strontium has the following electronic configuration: 1s22s22p63s23p63d104s24p65s2;
4) Iron (Fe) – chemical element number 26 of DI Mendeleev’s table. Iron has the following electronic configuration: 1s22s22p63s23p63d64s2;
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