Chemical Reactions Unit Review: Vocab

Question 1

WHMIS

Answer 1

Workplace Hazardous Material Information System

Question 2

HHPS

Answer 2

Hazardous Household Product Symbols

Question 3

Chemical Reaction

Answer 3

chemicals interact to form new chemicals with different properties

Question 4

Reactant

Answer 4

starting material before chemical reaction

Question 5

Product

Answer 5

Product of chemical reaction

Question 6

Solubility

Answer 6

ability to be dissolved

Question 7

Insoluble

Answer 7

incapable of being dissolved in a liquid

Question 8

Aqueous

Answer 8

is a mixture where a substance is dissolved in water

Question 9

Metal

Answer 9

generally shines solids and good conductors o heat and electricity

Question 10

Non-Metal

Answer 10

exist in all three states of matter and are all, mostly insulators

Question 11

Metaloid

Answer 11

have properties of both metals and non-metals

Question 12

Diatomic elements

Answer 12

Hydrogen (H₂)
Nitrogen (N₂)
Oxygen (O₂)
Fluorine (F₂)
Chlorine (Cl₂)
Bromine (Br₂)
Iodine (I₂)

Question 13

Element

Answer 13

a pure substance

Question 14

Atomic number

Answer 14

Indicates the number of protons in the nucleus

Question 15

Atomic mass

Answer 15

Is the sum of the protons plus the number of neutrons in the nucleus

Question 16

Nucleus

Answer 16

centre of the atom, made up of protons and neutrons

Question 17

Proton

Answer 17

positive charge and the number of protons in an atom determines what element it is

Question 18

Neutron

Answer 18

neutral particle found in the nucleus of the atom

Question 19

Electron

Answer 19

a negatively charged particle that moves around the nucleus of an atom at different energy levels or orbits.

Question 20

Ion

Answer 20

an atom or molecule that has a charge

Question 21

Cation

Answer 21

positively charged

Question 22

Anion

Answer 22

negatively charged

Question 23

Polyatomic ion

Answer 23

2 or more atoms that together have a charge

Question 24

Valence electron

Answer 24

represent the number of electrons that will be shared, transferred, or accepted between elements to form a stable compound

Question 25

Isotope

Answer 25

are atoms of the same element that have different atomic masses.

Question 26

Compound

Answer 26

2 or more different elements

Question 27

Ionic bond

Answer 27

are formed between a metal and a non-metal, metal transfers electrons to the non metal.

Question 28

Covalent bond

Answer 28

formed when a non-metal and a non-metal bond together

Question 29

organic compound

Answer 29

almost all compounds that contain carbon

Question 30

hydrocarbon

Answer 30

the simplest organic compounds that are only made from hydrogen and carbon.

Question 31

Alkane

Answer 31

hydrocarbons that only have single bonds between atoms

Question 32

alkenes

Answer 32

are hydrocarbons that contain 1 or more double bonds between carbon atoms

Question 33

alkynes

Answer 33

hydrocarbons that contain 1 or more triple bonds between carbon atoms.