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which of the following statements about ions and ionic bonding is or are true? i. an atom with a low first ionization energy and low electron affinity is more likely to form a cation than an anion. ii. the most common ion for an atom of a representative element generally adopts a noble-gas electron configuration. iii. the stability of kbr is due to the electrostatic attraction between the potassium ions and the bromide ions.

User Eski
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1 Answer

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14 votes

Final answer:

The statement i is true because low first ionization energy and low electron affinity indicate easy electron loss. The statement ii is true because representative elements often adopt noble gas configurations. The statement iii is true because KBr's stability is due to the electrostatic attraction between potassium and bromide ions.

Step-by-step explanation:

i. An atom with a low first ionization energy and low electron affinity is more likely to form a cation than an anion because these properties indicate that the atom easily loses electrons, resulting in a net positive charge.
ii. The most common ion for an atom of a representative element generally adopts a noble-gas electron configuration. This means that the ion gains or loses electrons to achieve a stable electron configuration, which is often the same as a noble gas.
iii. The stability of KBr is due to the electrostatic attraction between the potassium ions and the bromide ions.

This ionic bond forms because the potassium ions lose electrons and become positively charged cations, while the bromide ions gain the electrons and become negatively charged anions.

The opposite charges attract each other, resulting in the formation of a stable compound.

User Primitivist
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