PT.1 NOTES (Physical and Chemical Properties)

Question 1

define boiling point

Answer 1

liquid changes into vapor

Question 2

define freezing point

Answer 2

liquid solidifies

Question 3

define density

Answer 3

Mass per unit volume

Question 3

define melting point

Answer 3

solid turns into liquid

Question 4

Buoyancy

Answer 4

Ability to float

Question 4

Ductility

Answer 4

Ability to be drawn out unto wires

Question 5

Elasticity

Answer 5

Ability to return to its original shape after being deformed

Question 5

Malleability

Answer 5

Ability to be hammered into sheets

Question 5

Viscosity

Answer 5

Ability to resist flow

Question 6

Electrical Conductivity

Answer 6

The ability of a substance to conduct an electric current.

Question 7

Solubility

Answer 7

The ability of a substance to dissolve in a solvent.

Question 8

Combustibility

Answer 8

The ability of a substance to burn or ignite, causing fire.

Question 9

Stability

Answer 9

whether the substance can be easily decompose or not

Question 10

Ionization

Answer 10

refers to the process of forming ions from atoms or molecules by adding or removing electrons.

Question 10

Reactivity

Answer 10

tendency of a substance to undergo a chemical reaction with other substances.

Question 11

Toxicity

Answer 11

refers to the degree to which a substance can cause harm to an organism or its cells.

Question 12

Relative activity

Answer 12

whether the material is more active or less active than other of its chemical family