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NEETChemistryThe Solid StateClass 12

What does “Crystalline vs amorphous” actually mean in The Solid State, and why does it matter for NEET?

crystalline solids have long-range ordered arrangement and sharp melting points; amorphous solids (glass) lack order and soften over a range.

In simple words: crystalline solids have long-range ordered arrangement and sharp melting points; amorphous solids (glass) lack order and soften over a range. Getting Crystalline vs amorphous clear matters because NEET questions on The Solid State usually test this idea directly, not just a formula you memorised.

Key point

Crystalline vs amorphous

Common mistake

calling glass a true crystalline solid.

Memory tip

glass is a 'supercooled liquid' — no sharp melting point.

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More on The Solid State

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