8th Grade Chapter 2.1 Test

The process of converting an ore into a free uncombined metal is

• metallic bonding

• malleability

• reduction

• corrosion

The gradual wearing away of a metal as a result of a chemical reaction in which the metal is changed into a metallic compound is

• corrosion

• reduction

• ore

• ductility

A naturally occurring rock from which a useful metal or mineral is recovered is

• ore

• corrosion

• ductility

• reduction

Tags

NGSS.MS-ESS3-1

A substance's ability to be drawn or pulled into the form of a wire is

• metallic bond

• malleability

• corrosion

• ductility

A substance's ability to be flattened inot thin sheets by hammering or by the application of intense pressure is

• malleability

• metallic bond

• ore

• reduction

The force of attraction between the meal atoms and the surrounding sea of electrons in the metal

• ductility

• ore

• reduction

• metallic bond

Most metals are

• malleable

• good conductors of heat and electricity

• ductile

• all of the above

What is the only metal to exist as a liquid at room temperature?

• bromine

• potassium

• mercury

• tungsten

Copper is used in electrical wiring because of what physical property?

• malleability

• low melting point

• ductility

• none of the above

What is the most abundant transition metal in Earth's crust?

• iron

• calcium

• copper

• oxygen