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O-Level Chem > Metal Reactivity/Alloy > Flashcards

Metal Reactivity/Alloy Flashcards

1
Q

What metals have NO reaction

A

Copper
Silver
Gold

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2
Q

Most reactive metals

A

Potassium
Sodium
Calcium
Magnesium

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3
Q

Which is more reactive Hydrogen or Carbon

A

Carbon

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4
Q

Rank these in order of most to least reactive
Iron, Lead, Magnesium, Silver, Gold, Zinc

A

Magnesium
Zinc
Iron
Lead
Silver
Gold

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5
Q

Why alloys are preferred

A

Alloys are stronger and harder
They are made of different elements with different particle sizes
This disrupts the regular arrangement of particles
Hence the layers cannot slide over one another when a force is applied

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O-Level Chem (10 decks)

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