Classifying Elements

A vertical column on the periodic table is called a

• Period

• Group

• Row

• Series

A metal is an element that is _________ and conducts heat and electricity

• Brittle

• Dull

• Shiny

• Powdery

Which property describes a metal's ability to be hammered into sheets?

• Ductility

• Malleability

• Luster

• Conductivity

Which property describes a metal's ability to be pulled into wires?

• Density

• Ductility

• Brittlenes

• Hardness

Nonmetals generally have _______ surfaces and are poor conductors

• Shiny

• Smooth

• Dull

• Metallic

Metalloids have properties of

• Only metals

• Only Nonmetals

• Both metals and nonmetals

• Neither

Rare earth elements include

• Noble gases

• Lanthanide series plus Yttrium and Scandium

• Only radioactive material

• Alkali metals

Neodymium is especially important for

• Soft plastic cobers

• Strong magnets

• Water filters

• Fertilizer

Tags

NGSS.MS-PS2-5

Why could a shortage of rare earth elements be a problem for society?

Tags

NGSS.HS-ESS3-1

NGSS.HS-ESS3-2

NGSS.HS-ETS1-1

Rare earth elements are often described as

• Brittle and dull

• Highly reactive nonmetals

• Silvery metals with high luster

• Gases at room temperature