Answer :
Answer:
The element is germanium (Ge)
Explanation:
First of all we are considerating a neutral state element, meaning that it has the same amount of electrons and protons.
Also, [Ar] 4s2 3d10 4p2. means that the unknown element has the same electronic configuration as Argon, plus the electrons in the 4s, 3d and 4p.
So:
Argon has 18 electrons and protons (atomic number Z=18)
The element has 2 electrons in 4s, 10 in 3d and 2 in 4p: 2+10+2=14
The total electrons it has is: 14+18=32 electrons, and as we said before it also has 32 protons.
Once calculated the protons, we know the atomic number (Z=32) and we can look in the periodic table the element with Z=32.
That element is germanium (Ge)
The identity of the element with the electronic configuration of [Ar] 4s²3d¹⁰4p² is Germanium, Ge.
Electronic configuration can be defined as the arrangement of electrons around the nucleus of an element. However, we can determine the identity of an element from its electronic configuration.
From the question given above, we obtained the following:
Electronic configuration => [Ar] 4s²3d¹⁰4p²
Identity of element =?
Next, we shall determine the atomic number of the unknown element.
Electronic configuration => [Ar] 4s²3d¹⁰4p²
Atomic number of the unknown element = Atomic number of Ar + 2 + 10 + 2
Atomic number of Ar = 18
Atomic number of the unknown element = 18 + 2 + 10 + 2
Atomic number of the unknown element = 32
Finally, we shall determine the identity of the element. This can be obtained as follow:
Atomic number of the unknown element = 32
Identity of element =?
Comparing the atomic number to the element (i.e 32) with those in the periodic table, the element is Germanium with the symbol of Ge.
Therefore, the identity of the element with the electronic configuration of [Ar] 4s²3d¹⁰4p² is Germanium, Ge.
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