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Questions and Answers
Which of the following best describes the formation of ions?
Which of the following best describes the formation of ions?
- Ions are formed by the sudden appearance or disappearance of electrons.
- Ions are formed by the transfer of electrons from one atom to another. (correct)
- Ions are formed by the sharing of electrons between atoms.
- Ions are formed by the attraction of protons and neutrons.
What is the electrostatic attraction between oppositely charged ions called?
What is the electrostatic attraction between oppositely charged ions called?
- Metallic bond
- Covalent bond
- Van der Waals force
- Ionic bond (correct)
Which of the following compounds is held intact by ionic bonds?
Which of the following compounds is held intact by ionic bonds?
- Carbon dioxide
- Water
- Ethanol
- Sodium chloride (correct)
What is the resulting compound when magnesium transfers its two valence electrons to oxygen?
What is the resulting compound when magnesium transfers its two valence electrons to oxygen?
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What happens to the electron when sodium forms a sodium ion?
What happens to the electron when sodium forms a sodium ion?
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