Metals

Chemists classify an element as a metal based on its properties

• true

• false

A (a)   material is one that can be hammered or rolled into flat sheets and other shapes.

What is the physical property that allows a metal to be pulled out or drawn into long wires called?

The physical properties of metals include all of these except

• shininess

• malleability

• ductility

• conductivity

• reactivity

(a)   is the ability of an object to transfer heat or electricity to another object.

Tags

NGSS.MS-PS3-3

Metals are bad conductors of heat and electricity.

• false

• true

Name a metal that is magnetic.

Answer explanation

Iron (Fe), Cobalt (Co) and Nickel (Ni) are attracted to magnets and can be made into magnets.

Which metal is a liquid at room temperature?

• Gold (Au)

• Magnesium (Mg)

• Mercury (Hg)

• Silver (Ag)

The ease and speed with which an element combines, or reacts with other elements and compounds is called (a)   .

Give an example of a metal with low reactivity.

Answer explanation

Gold (Au) and Platinum (Pt) are valued for their lack of reactivity and because they are rare.

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1