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For an element to lose an electron, that electron must become excited to the point it can escape the attractive force. This requires a net energy input, making it endothermic.
Jace Vandervort
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A great deal of energy is produced when an ionic compound is formed?
False. Formation of a compound is usually exothermic because a Noble Gas configuration forms around each atom. Therefore energy is given off during formation, and the atoms in the compound are more stable.
Is an ionic compound exothermic?
A compound is never exothermic. Its reaction with some other substance is endothermic or exothermic like when calcium oxide reacts with water large amount of heat is evolved.
What should the net charge of an ionic compound be for it to be stable?
Zero. Only neutral ionic compounds are stable
Which of the following favors formation of an ionic compound?
c)
How do ionic compound obtain a stable electron configuration?
They achieve stable configuration by sharing their electrons in their outermost shell.
When a cation combins with an anion to form an ionic compound is the chemical reaction endothermic?
No, it is exothermic because they form bonds to become more stable spontaneously
A great deal of energy is produced when an ionic compound is formed?
False. Formation of a compound is usually exothermic because a Noble Gas configuration forms around each atom. Therefore energy is given off during formation, and the atoms in the compound are more stable.
Why is formation of ionic compounds exothermic?
It is exothermic because heat is released. ATP is on the products side. =] =) =I =p
Is an ionic compound exothermic?
A compound is never exothermic. Its reaction with some other substance is endothermic or exothermic like when calcium oxide reacts with water large amount of heat is evolved.
What should the net charge of an ionic compound be for it to be stable?
Zero. Only neutral ionic compounds are stable
Why is the formation of ionic compound exothermic?
Look at the problem from the other angle why does it take energy to break up an ionic lattice. It is because of the electrostatic attrction of the ions which has to be overcome. A measure of the is energy is the lattice enthalpy which depends on the charges, th einterionic distances and the geometry of the lattice.
Which of the following favors formation of an ionic compound?
c)
What is the formula for sodium and oxygen from a stable ionic compound?
Na2O, Sodium Oxide, is a stable compound used in glass and ceramics.
Describe the energy change associated with ionic bond formation and relate it to stability?
The formation of ionic compounds from positive and negative ions is exothermic. The attraction from positive and negative ions form a more stable system with a lower engergy than the individual ions. (Based on assumptions and help from my Chemistry book.)
How do ionic compound obtain a stable electron configuration?
They achieve stable configuration by sharing their electrons in their outermost shell.
Are ions in a ionic compound in a lattice formation?
At least, one anion and one cation participate in forming a crystalline ionic lattice. Every ionic compound forms a lattice, they do not form molecules.
What is the relationship between an ionic compounds' polarity and stability?
Ionic compounds are polar and stable by nature, which means that their relationship determines whether a compound is ionic or not.
