Vanadium (23): typical corrosion behaviour?

Tarnishes and forms oxides that are not strongly protective

Resists oxidation and develops a protective green patina

Sacrificially corrodes to protect neighboring metals

Forms an extremely stable passive film like chromium

Titanium (22): typical corrosion behaviour?

Rapidly forms a green carbonate patina

Forms a strong, protective passive oxide

Corrodes sacrificially to protect steel

Manganese (25): typical corrosion behaviour?

Forms a highly protective oxide that prevents further corrosion

Resists oxidation and forms a stable green patina

Sacrificially protects other metals like zinc

Readily oxidizes/corrodes and does not form a strongly protective film

Copper (29): typical corrosion behaviour?

Sacrificially corrodes to protect steel

Readily rusts as hydrated iron oxides

Forms a protective oxide/patina (copper oxide/carbonate) and resists further corrosion

Instantly forms a passive chromium-like oxide

Chromium (24): typical corrosion behaviour?

Resists oxidation with a green carbonate patina

Corrodes sacrificially to protect iron

Forms a protective passive chromium(III) oxide layer

Readily rusts to hydrated iron oxides

Zinc (30): typical corrosion behaviour?

Resists oxidation and develops a green patina that prevents all corrosion

Sacrificially corrodes (galvanic protection) while forming corrosion products

Forms a strong chromium-like passive oxide

Readily rusts like iron forming hydrated iron oxides

Iron (26): typical corrosion behaviour?

Resists oxidation and develops a stable patina

Sacrificially corrodes to protect other metals

Forms a passive protective oxide like titanium

Readily rusts (forms hydrated iron oxides) in moist air

Cobalt (27): typical corrosion behaviour?

Sacrificially corrodes to protect steel

Forms a strongly protective chromium-like passive layer

Tarnishes but is relatively corrosion-resistant compared with iron

Readily rusts like iron under normal conditions

Nickel (28): typical corrosion behaviour?

Forms a passive oxide and is corrosion-resistant

Resists oxidation by forming a green carbonate patina

Sacrificially corrodes to protect other metals

Scandium (21): typical corrosion behaviour?

Sacrificially corrodes to protect other metals

Resists oxidation and forms a green patina

Forms a thin, passive oxide film

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Elemental Reactivity: Corrosion, Rusting, and Passivation (21–30): Multiple Choice

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Preview · 10 questions

01Vanadium (23): typical corrosion behaviour?
02Titanium (22): typical corrosion behaviour?
03Manganese (25): typical corrosion behaviour?
04Copper (29): typical corrosion behaviour?
05Chromium (24): typical corrosion behaviour?
06Zinc (30): typical corrosion behaviour?
07Iron (26): typical corrosion behaviour?
08Cobalt (27): typical corrosion behaviour?
09Nickel (28): typical corrosion behaviour?
10Scandium (21): typical corrosion behaviour?

Elemental Reactivity: Corrosion, Rusting, and Passivation (21–30)

Elemental Reactivity: Corrosion, Rusting, and Passivation (21–30) Master

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