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calcium

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βˆ™ 7y ago
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βˆ™ 5mo ago

Helium is stable with 2 valence electrons. It has a full outer electron shell, making it chemically inert and stable.

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Q: What element is stable with 2 valence electrons?
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Related questions

What element has a stable 2 valence electrons?

The element with a stable 2 valence electrons is helium. Helium has a full outer electron shell with 2 electrons, making it very stable and unreactive.


How many valance electrons does helium have?

Helium has two valence electrons. It is the only noble gas not to have eight valence electrons. Helium has the electronic configuration 1s2.The Noble gases have eight valence electrons in their outer shell.


What is the number of valence electrons the element helium has?

Helium has 2 electrons (total of 2 electrons and 2 valence electrons)


How many valence electrons do stable atoms have?

Oh, dude, stable atoms typically have 8 valence electrons because they want to be all balanced and happy. It's like they're throwing a party and they need 8 cool electrons to join in on the fun. So yeah, 8 valence electrons is the magic number for stable atoms.


How many valence electrons will make an element stable?

The number depends on what will fill the outer shell. It can be 2 or 8.


How many valence electron level does an element have?

Except for elements 1 and 2, all elements are stable with how many electrons in their outermost (valence) level?


How many valence electrons will make an element chemically stable?

The number depends on what will fill the outer shell. It can be 2 or 8.


How many valence electrons will make an element happy or stable?

Most elements are stable with a full outer shell of electrons, typically with 8 electrons known as the octet rule. However, elements in the first shell can be stable with 2 electrons. This full outer shell results in a stable configuration similar to the noble gases, making the element happy or stable.


What is valency of an element having atomic number 20?

H, Li, Na, K = 1valence electrons Be, Mg, Ca = 2 valence electrons B, Al = 3 valence electrons C, Si = 4 valence electrons N, P = 5 valence electrons O, S = 6 valence electrons F, Cl = 7 valence electrons He, Ne. Ar = 0 because they are noble gases and all their electron shells are full


What element has 2 valence electrons and 4 protons?

The element with 2 valence electrons and 4 protons is beryllium. Beryllium has an atomic number of 4, indicating it has 4 protons in its nucleus. The valence electrons are the outermost electrons in an atom, and beryllium has 2 valence electrons in its outer energy level.


Have two valence electrons and get to a stable electron configuration by using two electrons?

You can achieve a stable electron configuration by using two electrons by forming a covalent bond with another atom that also has two valence electrons. In this way, each atom can share its valence electrons to achieve a full outer shell and achieve stability.


How many valence in the element cobalt?

There are 2 valence electrons in cobalt.