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It has to either find an element that has enough electrons to share or it has to lose the 'extra' ones. Both actions produce ions.

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Q: What does an atom do to fill a shell?
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Related questions

How many electrons are needed to fill the outer shell of an atom?

8


When one atom shares an electron with another atom to fill the outermost shell it forms an?

it forms a covalent bond.


What is the name of electrons in the outermost shell that an atom can gain lose or share with another atom?

A Fluorine atom has an atomic number of 9. Draw out the electron shell diagram for Fluorine. Is a Fluorine atom more likely to gain, lose or share electrons to fill its valence shell?


Is the hydrogen atom with atomic number of 1 and 1 electron stable?

No. Every atom wants to complete its valence shell. Since Hydrogen has one electron it only fills up half of the sorbital and needs one more electron to fill its shell. This means that the H atom will be very reactive because it wants to fill its valence shell.


A total of how many electrons are needed to fill the outer shell of most atoms?

There is a total of 8 electrons that are needed to fill outer shell of most atoms. An atom is the smallest unit of matter.


How many number of electrons to fill valence outer shell of phosphorus?

Each phosphorus atom requires three electros to fill its outer valence shell, giving the resulting ion the same electronic configuration as an atom of the next heavier noble gas, argon.


How many electron shells does calcium fill?

You can calculate the total capacity of an electron shell using the formula 2n2,... electron shell, it would need 10 electrons: 2 to fill the 1st shell and 8 to fill the2nd. ... In other words, in an atom with 20 electrons (which is the element calcium


What is an atom that has gained an electron to fill a valence shell?

Anion. Cation is an ion that loses one or more electron.


Which type of bond is created when one atom takes an electron from another to fill its valence shell?

An Ionic bond.


How does sodium atom and a chloride atom combine?

A sodium atom has one electron outside a closed shell, and a chlorine atom lacks one electron to fill a shell. A sodium chloride molecule forms by ionic bonding, the ionization of sodium and chlorine atoms and the attraction of the resulting positive and negative ions.


When is the valence shell stable?

Whenever the outside shell of the atom, or valence shell, is completely full with electrons. Ex: The noble gases are lucky enough to start out stable because they fill their outer shells.


How many electrons does neutral selenium atom need to fill outermost shell?

Selenium needs two more electrons.