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Ionic bonding is when atoms either give away or take electrons. You do not need an outer shell.

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What is a chemical bond formed by?

Chemical bonds are formed by sharing of electrons between two atoms. Atoms tend to achieve electronic configuration of their respective inert gases i.e. in the outer shell they need to have 8 electrons. e.g. Sodium has 1 electron in the outer shell by donating it it is left with electronic configuration of 2, 8. and Chlorine which has 7 electrons in its outer shell receives 1 electron and gets electronic configuration 2,8,8. Between Sodium and Chlorine ionic bond is formed and NaCl is produced. Chemical bonds are formed by sharing of electrons between two atoms. Atoms tend to achieve electronic configuration of their respective inert gases i.e. in the outer shell they need to have 8 electrons. e.g. Sodium has 1 electron in the outer shell by donating it it is left with electronic configuration of 2, 8. and Chlorine which has 7 electrons in its outer shell receives 1 electron and gets electronic configuration 2,8,8. Between Sodium and Chlorine ionic bond is formed and NaCl is produced.


Why do noble gases not normally form compounds?

Noble gases have a full outer shell, meaning that they have no valence electrons and have 8 electrons in their outer shell. If the outer shell is full they do not need electrons, so they would not want to bond with another element to form a compound.


In which case is an atom least likely to bond with other atoms?

An atom is least likely to bond with other atoms when its outer electron shell is full, so it is stable and does not need to gain or lose electrons to achieve a full outer shell. Examples include noble gases like helium, neon, and argon.


Why do noble gases usually dont form chemical bonds?

Their outer energy shell is full of electrons and so it does not need to form a bond to fulfil this.


How do atoms or ions combine to form molecules?

They can do this in many ways, most commonly through either ionic and covalent bonds. usually metals will bond with non metals through ionic bonds. non metals will bond with non metals through covalent/molecular bonds. it all depends on the valency electrons. an example of a ionic bond is sodium (Na) and Chlorine (Cl). sodium has 1 electron in its outer shell and chlorine has 7 electrons in its outer shell. they both want to be stable and have a full outer shell. so sodium will give its one electron to chlorine (now sodium has a full outer shell) and chlorine will receive this electron and will now have 8 electrons in its outer shell (full outer shell now).... the compound is now sodium chloride and its written like this: NaCl.in covalent bonds non metals can share electrons to be stable. the most common example is two hydrogen atoms. they both have 1 shell with 1 electron in it. since the first shell only needs 2 to fill, they both need 1. so they will share this 1 electron they both have to form a full outer shell. it will look like this:H . + H . = H : Hsee how at the end both has 2? even though they are shared. this is a covalent bond.Source(s):im in year 10


What group NORMALLY bonds with halogens?

Group 1 Alkali metals because the halogens need one electron to fill their outer electron shell.


Why do ionic bond need to gain and loss electrons?

Because by definition, ionic bond is the force of attraction between positively charged cations and negatively charged anions. To form ions, atoms should be gained (resulting in anions) and lost (resulting in cations).


Does phosphorus and chlorine form an ionic bond?

The outer shell on phosphorus (P) has 5 electrons -- it needs 3 electrons The outer shell on chlorine (Cl) has 7 electrons -- it needs 1 electron The electronegativity of P is about 2.2 The electronegativity of Cl is about 3.2 -- it will attract electrons slightly more So the simplest arrangement here is: PCl3 (P shares three electrons, and each Cl shares one.) They are just sharing electrons (covalent bond). If the electronegativities were a little stronger (delta of 1.7 is the magic number), then you could have an ionic bond -- but in this case both atoms need electrons, so ionic bonding wouldn't occur with P and Cl.


How are electrons involved in chemical bonding?

In chemical bonding, there is either a transfer of electrons from one atom to another(ionic bond) or a sharing of electrons between 2 or more atoms(covalent bond) In chemical bonding, there is either a transfer of electrons from one atom to another(ionic bond) or a sharing of electrons between 2 or more atoms(covalent bond)


Why do the sodium ion and the chloride ion form an ionic bond instead a covalent bond?

because they can each get a full valence shell by combining electrons, and have no need to share with other elements. (NA gives away one electron, giving it eight in its valence shell, and CL gains that electron, which also makes its valence shell eight).


Why do the inert gas atoms almost never participate in ionic or covalent bonds?

Inert gas atoms have a full outer electron shell, making them stable and less likely to gain or lose electrons to form ionic bonds. Additionally, their full outer shell makes it energetically unfavorable for them to share electrons in covalent bonds. Thus, inert gas atoms typically do not participate in chemical bonding.


Why fourth covalent bond is not formed?

A fourth covalent bond is not formed because atoms are limited in the number of electrons they can share to achieve stability. In most cases, atoms are most stable when they have a full outer electron shell, typically with 8 electrons (octet rule). Once an atom has formed three covalent bonds, it usually has achieved a full outer shell and does not need to form a fourth bond.