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Phosphorus

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14y ago
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14y ago

Calcium (20Ca40), as 2+8+8+2 = 20, and Calcium has 20 electrons in its shells.

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11y ago

Magnesium, Mg.

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13y ago

Argon

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Q: What element has an electron arrangement of 2.8.5?
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Related questions

What element with the electron arrangement 287?

Chlorine


What element has an electron arrangement of 2882?

This chemical element is calcium (Ca).


What is the element with the electron arrangement of 2 and 8 and 7?

Chlorine


Which electron arrangement is that of a metallic element?

There is a sea of delocalised electrons formed in a metallic element, and the ions are attrracted to this.


Which element contains the same inside electron arrangement as phosphorus?

All of the elements in Period 3, excluding group 18/VIIIA, have the same inside electron arrangement as phosphorus. They all have the electron configuration of neon as their inside arrangement of electrons.


Which element contains the same inside electron arrangement as phosphorus (p)?

All of the elements in Period 3, excluding group 18/VIIIA, have the same inside electron arrangement as phosphorus. They all have the electron configuration of neon as their inside arrangement of electrons.


What is the relationship between the electron configuration of an element and the period in which that element appear in the periodic table?

Electron configuration is the arrangement of elements according to their increasing atomic numbers whiles period is the arrangement of elements according to the increasing number of valence electrons.


Why is there a distinct electron arrangement for each atom?

because different element have different number of electrons.


What determines the properties of an element?

The three factors determine the chemical properties of an element:The number and arrangement of electrons in an atomThe number of valence electronsThe number and arrangement of electrons


Write the arrangement for the element xenon?

The electron configuration, in standard form, is [Kr] 4d10 5s2 5p6.


Which elements have the same electron arrangement as Argon Chlorine Sulfur or Potassium?

No element has the exact same election arrangement as another element. However ion can have the same election arrangement as another element. For example Chloride (Cl-) has the same configuration as Argon, and Potassium (I) (K+) also has the same configuration as argon.


What is the electron shell arrangement of caesium?

The electron shell arrangement of Ceasium is 2.8.8.18.18.1