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because both these elements are in the same group (7) of the Periodic Table and so each have 7 electrons in their outer electron shells.
An ionic compound is formed when one atom which preferentially looses electrons from its outer shell bonds through electrostatic attraction to another atom which preferentially gains electrons.
Some atoms will loose electrons in these sorts of chemical reactions because they have only a few electrons in their outer shell and it is energetically easiest for them to donate them in a reaction leaving the atom with a full outer shell, for example sodium has only one and looses it easily in reactions forming a positive sodium ion. Some atoms will accept extra electrons to form a complete outer shell, chlorine for example will accept one to become a negative chlorine ion. These two equal but oppositely charged ions will strongly attract each other.
Elements with 7 electrons each could only chemically bond by sharing an electron pair, the 7th from each atom combining to make a pair that both could share. This is called covalent bonding. This is what happens when chlorine and the other halogen elements form molecules, they go round in pairs Cl2, Br2, I2 etc bonded through the shared electron pair. A more interesting question is, why doesn't chlorine form a covalent compound with bromine?
Wiki User
∙ 16y ago
Wiki User
∙ 12y agoChlorine doesn't make an ionic bond with bromine because they both either need 1 electron or they both only take one electron.
To make an ionic bond both of the aoms tend to have eight valence electrons after the ionic bond has occured.
Both chlorine and bromine are trying to get 1 electron, neither of them will give 1 up easily (Electronegativity difference 2.8-2.7 is too small).
The only possible way of bonding is single covalentbonding: Br-Cl, in the same way Cl-Cl are bonded together.
Wiki User
∙ 11y agoAn ionic bond is formed between two atoms only when the difference in electronegativity between the two atoms is over 2. The electronegativity difference between flourine and chlorine is about 0.5 and hence they will not form ionic bond. Instead they bind to each other covalently.
Wiki User
∙ 13y agoBecause Chlorine has less electron shells in atom than Bromine
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∙ 9y agowhy does chlorine react with aqueous potassium bromide but bromide doesn't react with aqueous potassium chloride
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What is the ionic compound for calcium and chlorine?
We know that the alkaline earth metal calcium (Ca) and the halogen bromine (Br) form the ionic compound calcium bromide (CaBr2). Here's the reaction: Ca + 2Br => CaBr2
Does chlorine and bromine form a ionic bond?
No, elemental Bromine or Br2 is not an ion
What is the formula of the ionic compound formed between magnesium and chlorine?
The ionic compound formed between magnesium and chlorine has the formula MgCl2.
Binary ionic compound zinc and chlorine?
Zinc and chlorine react to form the binary ionic compound zinc chloride, which has the formula ZnCl2.
Does chlorine reacts with hydrogen to form a ionic compound?
No, it`s not possible to get any ionic compound by reacting chlorine and hydrogen together, all you'll get is Hydrogen Chloride.
What is the ionic compound for calcium and chlorine?
We know that the alkaline earth metal calcium (Ca) and the halogen bromine (Br) form the ionic compound calcium bromide (CaBr2). Here's the reaction: Ca + 2Br => CaBr2
Will bromine and rubidium form and ionic compound?
YES!!! 2Rb(s) + Br2(l) = 2RbBr(s) It is similar to the sodium / chlorine reaction, and compound.
Is bromine a covalent or a ionic compound?
Bromine (molecular Br2) is an covalent compound
Is chlorine oxide ionic or compound?
Chlorine oxide would be a covalent compound, and not an ionic compound.
What element will bond to form an ionic compound with K?
Potassium will form ionic compound with group 17 elements (fluorine, chlorine, bromine, iodine) and group 16 elements (oxygen, sulphur, selenium).
Does chlorine and bromine form a ionic bond?
No, elemental Bromine or Br2 is not an ion
Why is chlorine an ionic compound?
Chlorine (Cl2) is not an ionic compound. It is a covalently bonded element. Chlorine can form ionic compounds like NaCl (Sodium Chloride) or CaCl2 (Calcium Chloride) but is not itself an ionic compound.
What is the ionic compound for barium and bromine?
We know that chlorine (Cl) and bromine (Br) are both halogens (Group 17 on the periodic table). As such, they do not form chemical bonds with each other but only mixtures.
Is chlorine an ionic compound or a covalent compound?
Chlorine gas (Cl2) is covalent.
Will iron and chlorine form a ionic compound?
yes it will form an ionic compound.
Would bromine and carbon make an ionic compound?
No. As they are both nonmetals carbon and bromine will form a covalent compound.
What is the formula for ionic compound for Boron and Bromine?
BBr
