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13.12.2020 •
Chemistry
[xe] 6s2 4f4 is the noble gas configuration for which element
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Ответ:
Neodymium
Explanation:
The given element is:
[Xe] 6s² 4f⁴
To solve this problem, we need to find the number of electrons in the element given;
Xe has 54 electrons already
6s² 4f⁴ where:
letters are the orbitals
6 and 4 are the energy levels
superscript are the number of electrons
So, 2 + 4 = 6
Total number of electrons = 54 + 6 = 60
The element is Neodymium
Ответ:
8.90 moles Cu3(PO4)22 moles P1 mol Cu3(PO4)21 mol Cu3(PO4)26.022 x 10^23 atoms
(53.5958 x 10^23)/2 = 26.7979 x 10^23 atoms of P