Ionic bonding

• What makes atoms more stable?

  Having a full outer electron shell
• What is an ion?

  An ion is a particle with a positive or negative charge formed through the transfer of electrons
• How do ionic bonds form?

  Ionic bonds form between positively and negatively charged ions
• What are cations?

  Cations are positively charged ions
• What are the forces of attraction in ionic compounds called?

  They are called ionic electrostatic forces of attraction
• What type of elements typically form ionic compounds?

  Ionic compounds form when a metal reacts with a non-metal
• What happens when sodium and chlorine react?

  One electron is transferred from a sodium atom to a chlorine atom
• What is the melting point of a substance?

  The melting point is the temperature at which a substance changes from solid to liquid
• What structure do newly charged ions form after the transfer of electrons?

  They form a lattice structure
• What are compound ions?

  Compound ions contain more than one element
• What is an example of a compound ion?

  The nitrate ion NO₃⁻ contains one nitrogen atom and three oxygen atoms
• How should compound ions be written in a formula if two or more are needed?

  The ion must be written inside brackets with the number on the outside
• What is the formula for magnesium nitrate?

  The formula is Mg(NO₃)₂
• How do the names of ionic compounds typically end?

  Ionic compounds usually end in -ide or -ate
• What is an example of an ionic compound that ends in -ide?

  NaCl is sodium chloride
• What is an example of an ionic compound that ends in -ate?

  Mg(NO₃)₂ is magnesium nitrate