Ores of Metals and Metallurgy

Vocabulary flashcards covering atomic parameters, periodic table positions, chief and secondary ores, chemical properties, and concepts of metallurgy based on the lecture notes.

Iron ($Fe$)

A transition metal with atomic number $26$, atomic weight $56\,\text{a.m.u.}$, valency $2, 3$, located in Period $4$, Group $VIIIB$ of the modern periodic table.

Hematite

The chief ore of iron with the chemical formula $Fe_2O_3$, containing $75\%$ iron.

Magnetite

An ore of iron with the chemical formula $Fe_2O_4$ (also written as $Fe_3O_4$).

Siderite

An ore of iron with the chemical formula $FeCO_3$.

Limonite

An ore of iron with the chemical formula $Fe_2O_3 \cdot 3H_2O$.

Iron Pyrite

An ore of iron with the chemical formula $FeS_2$.

Aluminium ($Al$)

A p-block element with atomic number $13$, atomic weight $27\,\text{a.m.u.}$, valency $3$, located in Period $3$, Group $IIIA$ of the modern periodic table.

Bauxite

The chief ore of aluminium with the chemical formula $Al_2O_3 \cdot 2H_2O$, containing $42\%$ to $60\%$ aluminium.

Feldspar

An ore of aluminium with the chemical formula $KAlSi_3O_8$.

Cryolite

An ore of aluminium with the formula $NaAlFe$ (or $Na_3AlF_6$).

Corundum

An ore of aluminium with the chemical formula $Al_2O_3$.

Silver ($Ag$)

A d-block transition element with atomic number $47$, atomic weight $105\,\text{a.m.u.}$, valency $1$, located in Period $5$, Group $1B$ of the modern periodic table.

Argentite (Silver Glance)

The chief ore of silver with the chemical formula $Ag_2S$, containing $87\%$ silver.

Horn Silver

An ore of silver with the chemical formula $AgCl$.

Silver Copper Glance

An ore of silver with the formula $[Ag\,Cu]_2S$.

Ruby Silver (Pyrolite)

An ore of silver with the chemical formula $Ag_2Sb_2S_3$.

Copper ($Cu$)

A d-block transition metal with atomic number $29$, atomic weight $63.5\,\text{a.m.u.}$, valency $1$, located in Period $4$, Group $1B$ of the modern periodic table.

Chalcopyrite (Copper Pyrite)

The chief ore of copper with the chemical formula $CuFeS_2$, containing $34.5\%$ to $51\%$ copper.

Chalcocite (Copper Glance)

An ore of copper with the chemical formula $Cu_2S$.

Cuprite

An ore of copper with the chemical formula $Cu_2O$.

Azurite

An ore of copper with the chemical formula $2CuCO_3 \cdot Cu(OH)_2$.

Malachite

An ore of copper with the chemical formula $Cu_2(OH)_2CO_3$.

Gold ($Au$)

A d-block transition metal with atomic number $79$, atomic weight $197\,\text{a.m.u.}$, valency $1$, located in Period $6$, Group $1B$ of the modern periodic table.

Calaverite

An ore of gold with the chemical formula $AuTe_2$.

Electrum

A gold-silver alloy ore represented as $Au(Ag)$.

Coinage Metals

Metals used to make coins, specifically copper ($Cu$), silver ($Ag$), and gold ($Au$).

Native Elements

Elements found in a pure state in nature, such as gold ($Au$).

Noble Metal

A metal such as gold ($Au$) that possesses a stable electronic configuration and does not react easily with other elements.

Aluminium Oxide Layer Reaction

The chemical reaction $4Al + 3O_2 \rightarrow 2Al_2O_3$ that forms a protective surface layer, preventing air and water corrosion on aluminium tools.

Metallurgy

The branch of science that deals with the study of extraction of metals from their ores and the manufacture of metal products.