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There is 1 valence electron. You can determine this by finding Cs on the Periodic Table. However many groups it is over from left to right is the amount of outer electrons an element has with many exceptions including transition elements
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How many valence electrons are found in alkali metals Li Na K Rb Cs and Fr?
Alkali metals such as Li, Na, K, Rb, Cs, and Fr each have 1 valence electron. This is because they have a single electron in their outermost electron shell, making them highly reactive and likely to lose that electron to achieve a stable electron configuration.
What is the unknown substance if it is determined that is has 55 protons 57 neutrons and 1 valence electron?
It is a Cesium isotope, with the atomic mass of 112.It could also be an ion depending on how many total electrons it has.
What element has 6 valence electrons in the 4th energy level?
This element is caesium (Cs), with the atomic number 56.
How many electrons must be lost by cs to be a noble gas?
Cesium (Cs) has one electron in its outermost shell, which is in the 6th energy level. To achieve a stable noble gas configuration, cesium must lose this single valence electron, resulting in a positively charged ion (Cs⁺). After losing this electron, cesium attains the electron configuration of xenon, a noble gas. Therefore, cesium must lose one electron to become a noble gas.
The alkali metals have how many valence electrons?
1
Which pair of atoms will have the same valence-shell electron configuration Se and Te Sr and Cs N and O H and He?
Se and Te will have the same valence-shell electron configuration as they are both in the same group (group 16) and have 6 valence electrons. Sr and Cs will have different valence-shell electron configurations as Sr is in group 2 with 2 valence electrons and Cs is in group 1 with 1 valence electron. N and O will have different valence-shell electron configurations as N has 5 valence electrons while O has 6. H and He will have different valence-shell electron configurations as H has 1 valence electron and He has 2.
What are the elements that have the same number of valence electrons?
The elements that have the same number of valence electrons are located in a group.The group number from the Periodic Table relates to the number of electrons in the valence shell.For example, elements in group 1 (H, Na, Li, K, Rb, Cs, Fr) all have 1 valence electrons and elements in group 7 (Cl, F, I, Br) have 7 valence electrons in its outer shell.
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.
Does cesium gain or lose electrons?
Cesium typically loses one electron to form a Cs+ cation because it has one valence electron in its outermost electron shell.
How many valence electrons are found in alkali metals Li Na K Rb Cs and Fr?
Alkali metals such as Li, Na, K, Rb, Cs, and Fr each have 1 valence electron. This is because they have a single electron in their outermost electron shell, making them highly reactive and likely to lose that electron to achieve a stable electron configuration.
How many electrons does Cesium have in its outer energy level?
Cesium, or Cs, has 1 valence electron.
What is the unknown substance if it is determined that is has 55 protons 57 neutrons and 1 valence electron?
It is a Cesium isotope, with the atomic mass of 112.It could also be an ion depending on how many total electrons it has.
What element has 6 valence electrons in the 4th energy level?
This element is caesium (Cs), with the atomic number 56.
How many electrons are in a cesium ion Cs plus?
A cesium ion with a +1 charge (Cs+) has lost one electron. Cesium (Cs) normally has 55 electrons, but the Cs+ ion has 54 electrons.
What has 55 electrons?
The element with 55 electrons is Caesium (Cs). Caesium is an Alkali Metal in Period 6 of the Periodic Table. It has the atomic number 55. It has 55 electrons in 6 shells with 1 electron in the outer shell.
How many valence electrons does group 3A have?
Group One on the periodic table consists of * Li - Lithium * Na - Sodium * k - Potassium * Rb - Rubidium * Cs - Cesium All of these elements all have plus one (+1) valence electrons which means they have one too many so they will give it up when bonding occurs.
How many electrons must be lost by cs to be a noble gas?
Cesium (Cs) has one electron in its outermost shell, which is in the 6th energy level. To achieve a stable noble gas configuration, cesium must lose this single valence electron, resulting in a positively charged ion (Cs⁺). After losing this electron, cesium attains the electron configuration of xenon, a noble gas. Therefore, cesium must lose one electron to become a noble gas.
