Physical + Chemical Properties

Question 1

Colour + Lustre

Answer 1

-lustre is the way substance reflects light
ex. shiny, dull, glossy, glassy, waxy, and pearly

Question 2

Melting Point

Answer 2

-temp when solid turns into liquid
-atmospheric pressure
ex. water freezes at 0 C melting point is ) C sea level

Question 3

Solubility

Answer 3

-maximum amount of substance

Question 3

Boiling Point

Answer 3

-liquid changes to gas
-same temp as condensation
ex. 100 C sea level

Question 3

Density

Answer 3

-amount of mass in a given volume of a substance
-temp effects density
ex. at 25 C, density of pure water is 1g/ml

Question 4

Ductility

Answer 4

-any solid that can be stretched into a long wire
-copper is a ductile material

Question 4

Crystal shape

Answer 4

-when particles in a substance line up in a regular pattern
-quarts forms long six-sided crystals and halite firms cubes

Question 5

Conductivity

Answer 5

-ability to conduct electricity or heat
-conductor + insulator
-copper (conductor), glass (insulator)

Question 6

Hardness

Answer 6

-resist being scratched and measured through a mohs scale ranging from 1-10
-tale softest 1 and diamond is 10

Question 7

Texture

Answer 7

-the feel of a substances surface
-raw gemstone is rough, smooth when polished

Question 8

Malleability

Answer 8

-a substance that can be pounded or rolled
-aluminum is an example