Essential Chemistry for IGCSE - Metals And Reactivity (Section 4 - No. 41)
What is the primary reason that alloys are stronger than pure metals?
Alloys have higher melting points.
Alloys have lower densities.
The differing atomic sizes disrupt the regular crystal lattice.
Alloys are made of more than one element.
Explanation
The different sized atoms prevent layers from sliding past each other easily.
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