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Science gcse > C5 C6 C7 > Flashcards

C5 C6 C7 Flashcards

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1
Q

Difference in electrical conductivity between solid and molten ionic compounds eg.NaCl

A

Solid cannot conduct electricity because :
regular arrangement of ions
Strong ionic bonds between opposite ions
ions cannot move

Molten compounds can because :
Energy breaks the ionic bonds
ions are now free to move
conduct electricity

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2
Q

Why can water not conduct electricity ?

A

Simple covalent structure
exist as a molecule
No charged particles

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Science gcse (25 decks)

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