Question

part a
use the periodic table to determine the element corresponding to the electron configuration xe6s²4f¹⁴5d³
enter the chemical symbol of the element.
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Explanation:

Step1: Determine the atomic number of Xe

Xe (Xenon) has an atomic number of 54.

Step2: Calculate the total number of electrons

The electron configuration is \([Xe]6s^{2}4f^{14}5d^{8}\).
The number of electrons from the part outside of \([Xe]\) is \(2 + 14+8=24\).
The total number of electrons of the element is \(54 + 24=78\).

Step3: Find the element with atomic number 78

Looking at the periodic table, the element with atomic number 78 is Platinum.

Answer:

Pt