The electronic configuration of one element is \(1s^ 2 2s^ 2 2p^ 6 3s^ 2 3p^ 6 3d^ { 10} 4s^ 1\). What is same group which is recently discovered?
Solución de tutoría real
Respuesta rápida
The element with the electronic configuration \(1s^ 2 2s^ 2 2p^ 6 3s^ 2 3p^ 6 3d^ { 10} 4s^ 1\) is copper (Cu). A recently discovered element in the same group (Group 11) is roentgenium (Rg).
Solución paso a paso
1. Electronic Configuration Analysis:
The given configuration \(1s^ 2 2s^ 2 2p^ 6 3s^ 2 3p^ 6 3d^ { 10} 4s^ 1\) corresponds to copper (Cu), which has an atomic number of 29.
2. Group Identification:
Copper (Cu) is in Group 11 of the periodic table, which includes the coinage metals.
3. Recently Discovered Element:
In Group 11, a recently discovered element is roentgenium (Rg), which has an atomic number of 111 and was discovered in 1994.
4. Conclusion:
The recently discovered element in the same group as copper (Group 11) is roentgenium (Rg).
Supplemental Knowledge:
The given electronic configuration is:
\[1s^ 2 2s^ 2 2p^ 6 3s^ 2 3p^ 6 3d^ { 10} 4s^ 1\]
This configuration represents Copper (Cu), with an atomic number of 29. Copper resides in Group 11 of the periodic table - commonly referred to as coinage metals group; comprising Copper(Cu), Silver(Ag) and Gold(Au) as its constituent elements.
Group Characteristics:
Group 11 elements can be distinguished by having one electron in their outermost s-orbital after having filled their d-subshell, giving rise to similar chemical properties like high conductivity and resistance against corrosion.
Recent Discoveries:
Roentgenium (Rg), with an atomic number 111, was recently added to this group of elements. Although highly unstable and radioactive, Roentgenium shares many properties with some lighter elements within Group 11.
Concepts to Actions:
Understanding electronic configurations helps predict chemical behavior and reactivity.
Imagine being a chemist working to develop new alloys for industrial uses. Knowing that elements like copper, silver, gold and roentgenium share similar properties can help predict how their combination might interact.
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