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18 Cards in this Set

  • Front
  • Back

what happens in ionic bonding..

it is the transfer of electrons, Losing or gaining electrons - to form positively or negatively charged ions.

ionic compounds form in a similar way..

a dot and cross diagram shows what happens to the electrons with ionic bonds

what type of structure does a ionic compound have..

a lattice arrangement. Ions are closely packed


together = as the ionic bonds are very strong electrostatic forces of attraction



an example of a ionic compound..

sodium chloride or magnesium oxide

why do the ionic compounds sodium chloride and magnesium oxide - have similar properties ..

Have high melting and boiling points = very strong bonds between the ions - takes a lot of energy to break.




they conduct electricity in a dissolved solution - the ions are free to move, same happens when they melt

when TWO different elements combine the


compounds ending is -IDE-

eg : sodium and chlorine = sodium chloride

when THREE or more elements combine - the compounds end in -ATE-

copper, sulfur and oxygen = copper sulfate

common salts of, sodium, potassium and ammonium are...

soluble in water

nitrates are..

soluble

common chlorides, expect lead and silver are..

soluble

common sulfates, expect lead, barium and


calcium sulfate...

soluble

common carbonates and hydroxides, except sodium, potassium and ammonium ..

insoluble

what can barium sulfate be used for..

goes on bones when you have an x-ray

flame tests..

some metals give a flame a characteristic colour

sodium ions give a..

yellow/orangey flame

Potassium ions give a ..

lilac purple flame

Calcium ions give a..

brick-red flame

Copper ions..

blue-green flame