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Francium, Fr.

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12y ago
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6mo ago

The first 7s electron appears in francium (element 87) on the Periodic Table.

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Q: Which element does the first 7s electron appear?
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Related questions

What element completes the 7s sublevel?

The element that completes the 7s sublevel is radium, with the electron configuration 7s2.


What element has its outermost electron is 7s1?

The element with its outermost electron in the 7s1 orbital is francium (element 87). Its outermost electron is in the 7th energy level (n=7), specifically in the 7s subshell.


What is the noble gas configuration of francium?

The noble gas configuration of francium is [Rn]7s^1, where [Rn] represents the electron configuration of radon, a noble gas element. Francium has one valence electron in the 7s orbital, making it highly reactive.


What is the electron configuration of element hassium?

The electron configuration of hassium (Hs) is [Rn] 5f^14 6d^6 7s^2. This means that hassium has 108 electrons arranged in the specified orbitals.


What is the noble gas configuration for element 117?

The noble gas configuration for element 117 (Tennessine) is [Rn] 5f^14 6d^10 7s^2 7p^5. This means it has the same electron configuration as Radon up to its 5f electron level, followed by the filling of the 6d and 7s orbitals, and finally with 7p orbitals.


What is the outer electron configuration for rutherfordium?

The outer electron configuration for rutherfordium (element 104) is 7s2 7p6 6d2 7f14 5f14. This means that the outermost electrons are located in the 7s and 7p orbitals.


What would be the electron configuration for element 118?

This would be a rather large electron configuration with somehwere around 27 valence electrons.... its kind of like playing with fire stating these facts though since this elements has been discovered but not fully confirmed.


What is electron configuration of Hs?

The electron configuration of Hassium (Hs) is [Rn] 5f^14 6d^6 7s^2.


What is the shell of the highest energy electron in uranium?

The highest energy electron in uranium is found in the 5f subshell. Uranium has 92 electrons, so the configuration for the highest energy electron would be [Rn] 5f³ 6d¹ 7s².


What is the electron configuration of curium?

The electron configuration of curium (Cm) is [Rn] 5f^7 6d^1 7s^2.


How many valence electrons does the element cesium have?

A cesium atom has 1 valence electron. It is an alkali metal, and all alkali metals have 1 valence electron. The electron configuration for cesium is (Rn)7s1. The single electron in the 7s sublevel is its valence electron.


What is the noble gas notation for einsteinium?

The noble gas notation for einsteinium is [Rn] 5f^11 7s^2.