Ionic Bonding (Grade 10 NSC Matric Physical Sciences): Flashcards
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Ionic bonding electron behavior
Ionic bonding electron behavior
Electrons transfer completely from one atom to another
Electronegativity difference for ionic bonding
Electronegativity difference for ionic bonding
Greater than 1.7
Types of atoms in ionic bonding
Types of atoms in ionic bonding
Metal and non-metal
Cation definition
Cation definition
Positively charged ion formed from metal atom
Anion definition
Anion definition
Negatively charged ion formed from non-metal atom
Crystal lattice in ionic compounds
Crystal lattice in ionic compounds
Regular, repeating 3D pattern of ions
Melting/boiling points of ionic compounds
Melting/boiling points of ionic compounds
High (strong electrostatic forces between ions)
Brittleness of ionic compounds
Brittleness of ionic compounds
Break along planes when stressed
Electrical conductivity of solid ionic compounds
Electrical conductivity of solid ionic compounds
Do not conduct (ions fixed in position)
Conductivity when dissolved/molten
Conductivity when dissolved/molten
Do conduct (ions free to move)