Favourable conditions for electrovalency are

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(A) Electrovalency is the formation of ionic bonds between atoms. For the formation of an ionic bond,the metal should easily lose electrons to form a

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Low charge on ions,large cation,small anion

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(A) Electrovalency is the formation of ionic bonds between atoms. For the formation of an ionic bond,the metal should easily lose electrons to form a cation,and the non-metal should easily gain electrons to form an anion. $1$. $A$ large cation is preferred because the valence electrons are further from the nucleus and held less tightly,making them easier to remove. $2$. $A$ small anion is preferred because the incoming electron is closer to the nucleus,resulting in a stronger attraction. $3$. $A$ low charge on the ions is favorable because it requires less energy to remove or add electrons. Therefore,the conditions are: low charge on ions,large cation,and small anion.

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