unit 2 terms

Question 1

system of eight warning systems used throughout Canada to provide safety information about chemicals

Answer 1

WHMIS

Question 2

A warning printed on a container to indicate the either the container or product is dangerous

Answer 2

Hazard Symbol

Question 3

Is often referred to as the study of matter

Answer 3

Chemistry

Question 4

Anything that has a mass and volume

Answer 4

Matter

Question 5

A pure substance that cannot be broken down into simpler components

Answer 5

Element

Question 6

An attempt to describe the nature matter and explain how matter behaves

Answer 6

Atomic Theory

Question 7

The smallest particle of an element that retains the properties of that element

Answer 7

Atom

Question 8

Particles such as protons, neutrons and electrons that are smaller than atoms

Answer 8

Subatomic Particles

Question 9

Positively charge particle in the atomic nucleus

Answer 9

Proton

Question 10

Uncharged particle in the nucleus of an atom

Answer 10

Neutron

Question 11

Negatively charged particles surrounding the atomic nucleus

Answer 11

Electron

Question 12

The positively charged center of an atom which contains protons and neutrons

Answer 12

Nucleus

Question 13

organized list in which elements are arranged in rows and columns according to their atomic number and their patterns of similar properties

Answer 13

Periodic Table

Question 14

International symbol for each element consisting of 1 or 2 letters

Answer 14

Chemical Symbol

Question 15

The number of protons in each atom of an element

Answer 15

Atomic Number

Question 16

The mass of an average atom of an element

Answer 16

Atomic Mass

Question 17

An element that is typically hard, shiny, malleable, ductile and a good conductor of heat and electricity

Answer 17

Metal

Question 18

An element that is typically not shiny, malleable or ductile and is a poor conductor of heat and electricity

Answer 18

Non - Metal

Question 19

An element that shares some properties with metals and some properties with non - metals

Answer 19

Metalloid

Question 20

A set of metallic elements found at the center of the periodic table

Answer 20

Transition Metals

Question 21

Horizontal row in the periodic table

Answer 21

Period

Question 22

Groups of elements arranged in vertical columns in the periodic table that have similar physical and chemical properties

Answer 22

Chemical Family