Chemistry of Materials

What does the term 'material' refer to in chemistry?

• Any living chemical substance

• Any non-living chemical substance

• Only mixtures of substances

• Only metallic substances

Tags

NGSS.MS-PS1-3

What are materials classified by?

• Their state of matter

• Their color and texture

• The type of bonding between particles

• Their electrical conductivity

Tags

NGSS.HS-PS1-3

Which of the following is NOT one of the four types of substances materials can be classified into?

• Metallic

• Ionic

• Covalent (molecular)

• Organic

What do metals consist of?

• Metal cations and free protons

• Metal anions and free neutrons

• Metal cations and free electrons

• Metal anions and free electrons

What is the structure of metal ions in metals?

• A random lattice structure

• A continuous lattice structure

• A discrete lattice structure

• A broken lattice structure

Which of the following properties is NOT associated with metals?

• Poor conductors of electricity

• Consist of metal cations and free electrons

• Have high melting points

• Arranged in a continuous lattice structure

What are ionic compounds made of?

• Only cations

• Only anions

• Both cations and anions

• Neither cations nor anions

What type of charge do cations have?

• Negative

• Positive

• Neutral

• Variable

Tags

NGSS.HS-PS1-2

How are the anions and cations in an ionic compound connected?

• By weak ionic bonds

• By covalent bonds

• By strong ionic bonds

• They are not connected

Tags

NGSS.HS-PS2-4

What is the structure of anions and cations in an ionic compound?

• Randomly scattered

• Single linear chain

• Continuous lattice structure

• Isolated pairs