6.1 (CHEMICAL AND PHYSICAL)

Question 1

Melting point

Answer 1

Temperature where a solid changes to a liquid

Question 2

Boiling point

Answer 2

Temperature where a liquid forms vapor

Question 3

Viscosity

Answer 3

The ability of a liquid to flow

Question 4

Brittle

Answer 4

A material that breaks instead of bending when
under stress

Question 5

Malleable

Answer 5

A material that can be bent, or hammered into
shape

Question 6

Ductile

Answer 6

Can be stretched into a wire

Question 7

Sonorous

Answer 7

Makes a ringing sound when hit

Question 8

Solubility

Answer 8

Ability of a substance to dissolve in a solvent

Question 9

Concentration

Answer 9

Amount of one substance in a mixture

Question 10

Density

Answer 10

Mass per unit volume of a substance

Question 11

Electrostatic charge

Answer 11

Positive, or negative charge on a particle

Question 12

Electrical conductivity

Answer 12

A material’s ability to conduct electricity

Question 13

Thermal conductivity

Answer 13

Ability of a material to conduct heat

Question 14

Melting

Answer 14

Changing from solid to liquid

Question 15

Freezing/Solidifying

Answer 15

Changing from liquid to solid

Question 16

Boiling/Evaporation

Answer 16

Changing from liquid to gas

Question 17

Condensing

Answer 17

Changing from gas to liquid

Question 18

Subliming

Answer 18

Changing from solid to gas, or gas to solid

Question 19

Diffusion

Answer 19

Spreading out, from an area of high concentration
to low concentration by random motion.

Question 20

Valency

Answer 20

Number of electrons that can be lost,
gained, or shared during a chemical
reaction

Question 20

Forming Ions

Answer 20

Forming positive ions (cations), or negative
ions (anions)

Question 21

Act as catalyst

Answer 21

Speed up other chemical reactions, without
being used up

Question 22

Reactivity

Answer 22

How reactive a chemical is