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If a substance contains only one type of atom, it is ( a compund, an element, a molecule )
If a substance contains more than one type of atom, it may be a compound or ( an element, a mixture )
If a substance contains clusters of different types of atoms, it is ( an elemental compound, a lattice compound, a molecular compound )
If a substance contains atoms very strongly bonded to each other and in a regular arrangement, it is a ( compound lattice, molecular compound )
If a substance contains more than one element or compound, it is a ( compound, lattice, mixture )
An alloy is an example of ( a mixture, an element, a compund )