Section 3 - Materials

Question 1

What is the relationship between the states of matter and temperature?

Answer 1

The relationship is that temperature effects the state of matter of an object as every object has a freezing point, boiling point, etc.

Question 2

What are the physical properties of metals and non metals?

Answer 2

Physical Properties of metals:
Luster: Shiny when polished
Hardness: Most metals are hard
Malleability: Can be hammered into thin sheets
Ductility: Can be drawn into wires
Electrical Conductivity: Good conductors of electricity
Thermal Conductivity: Good conductors of heat
Melting and Boiling points: Generally High
State: Most are solid at room temperature

Non Metals:
Luster: Dull Appearance
Hardness: Generally brittle
Malleability and Ductility: Non-malleable and non-ductile.
Electrical Conductivity: Generally poor conductors of electricity.
Thermal Conductivity: Poor conductors of heat
Melting and boiling points: Generally low
Density: Usually low density
State: Can be solids, liquids, or gasses at room temperature.

Question 3

Gasses

Answer 3

n chemistry, a gas is a state of matter where the constituent particles (atoms or molecules) are widely separated and have no fixed shape or volume

Question 4

What are the 3 types of molecules?

Answer 4

Element, Mixture, Compound.

Question 5

What is an Element?

Answer 5

A single type of atom.

Question 6

What is a Mixture?

Answer 6

Two or more different types of atoms are physically conjoined together, not chemically.

Question 7

What is a compound?

Answer 7

Two or more different types of atoms are chemically bonded together.

Question 8

Define Alloy.

Answer 8

A substance composed of two or more metals.