Ionic Bonding

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A level Chemistry (2.2 Electrons, Bonding and Structure) Flashcards on Ionic Bonding, created by Yinka F on 20/02/2018.
Yinka F
Flashcards by Yinka F, updated more than 1 year ago
Yinka F
Created by Yinka F over 6 years ago
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Question Answer
Define ionic bonding The electrostatic attraction between positive and negative ions
How are ions formed? Ions are formed as a result of electron transfer (NOT SHARING)
In which compounds can ionic bonding be found? Compounds of a metal and a non-metal
Complete the sentences: Ionic crystals are _______ ________ of ions. A giant ionic lattice forms because each ion is __________________ attracted in all directions to ions of the ___________ charge. Ionic crystals are GIANT LATTICES of ions. A giant ionic lattice forms because each ion is ELECTROSTATICALLY attracted in all directions to ions of the OPPOSITE charge.
What are the properties of ionic compounds? Conducts electricity when molten or dissolved High melting and boiling points Soluble in water
Ions cannot conduct electricity when solid. Why? Ions in a liquid are free to to move (and carry a charge) In a solid, they're fixed in position by strong ionic bonds
Explain why ionic compounds have high melting and boiling points Giant ionic lattices are held together by strong electrostatic forces
Explain why ionic compounds are soluble in water Parts of the molecule have small negative and small positive charges (the molecules are polar). This means that the compounds can form hydrogen bonds with water.
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