What is an ionic bond explain the formation of NaCl and caf2?
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Answer:
Electronic configuration of Mg - 1s22s22p53s2 Electronic configuration of O – 1s22s22p63s62p4 1. Magnesium has two electrons in its valence shell and oxygen has six electrons in its valence shell. 2. By losing two electrons, Mg acquires the inert gas configuration of Neon and becomes a dipositive cation Mg2+ Mg → Mg2+ + 2e- 3. Oxygen accepts the two electrons to become a dinegative oxide anion, O2- thereby attaining the inert gas configuration of Neon. O + 2e- → O2- 4. These two ions, Mg2+ and O2- combine to form an ionic crystal in which they are held together by electrostatic attractive forces. 5. During the formation of magnesium oxide crystal 601.6 kJ mol-1 energy is released . This favours the formation of magnesium oxide (MgO) and its stabilisation. CaF2 , Calcium fluoride 1. Calcium, Ca: [Ar] 4s2 , Fluorine F: [He] 2s2 2p5 2. Calcium has two electrons in its valence shell and fluorine has seven electrons in its valence shell. 3. By losing two electrons, calcium attains the inert gas configuration ofArgon and becomes a dipositive cation, Ca2+ . 4. Two fluorine atoms, each one accepts one electron to become two uninegative fluoride ions (F- ) thereby attaining the stable configuration of Neon. 5. These three ions combine to form an ionic crystal in which they are held together by electrostatic attractive force. 6. During the formation of calcium fluoride crystal 1225.91 kJ mol-1 of energy is released. This favours the formation of calcium fluoride, CaF2 and its stabilisation.Read more on Sarthaks.com - https://www.sarthaks.com/1009935/explain-the-ionic-bond-formation-in-mgo-and-caf2-magnesium-oxide-mgo
Explanation:
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Answer:
Two fluorine atoms, each one accepts one electron to become two uninegative fluoride ions (F- ) thereby attaining the stable configuration of Neon. 5. These three ions combine to form an ionic crystal in which they are held together by electrostatic attractive force.
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