Chem Chapter 1 Study Cards

Question 1

WHMIS

Answer 1

Workplace Hazardous Materials Information System

Question 2

Symbol shapes from left to right

Answer 2

yellow triangle-caution orange diamond-warning red octagon-danger

Question 3

3 states of matter

Answer 3

solid,liquid,gas

Question 4

Properties

Answer 4

characteristics used to describe a substance

Question 5

Some properties of matter

Answer 5

colour hardness density solubility boiling point melting point

Question 6

Melting point

Answer 6

temp when a substance changes from a solid to a liquid

Question 7

Boiling point

Answer 7

temp when a substances liquid phase changes to the gas

Question 8

Hardness

Answer 8

substances ability to resist being scratched

Question 9

Malleability

Answer 9

a substance that can be pounded or rolled into sheets

Question 10

Ductility

Answer 10

substance that can be stretched into a long wire

Question 11

Crystal Shape

Answer 11

shape of a substances crystals

Question 12

Solubility

Answer 12

the ability of a substance to be dissolved in another

Question 13

Density

Answer 13

amount of mass in a given volume of a substance

Question 14

Conductivity

Answer 14

ability of a substance to conduct electricity or heat

Question 15

Chemical change

Answer 15

change that results when two or more substances reacts to create a different substance with completely different properties

Question 16

Physical change

Answer 16

change in the appereance or state of a substance that does not change the compostition

Question 17

4 types of mixtures

Answer 17

• mechnaical / parts are visible
• solution / not visible parts
• suspension / particles can be seperated out
• colloid / partices cant be seperated out

Question 18

Element

Answer 18

material that cannot be broken down into any simpler substance

Question 19

Compound

Answer 19

when two or more elements combine chemically