Module 1

Question 1

What is the smallest particle of matter?

Answer 1

An atom

Question 2

How many elements are on the periodic table?

Answer 2

Around 118

Question 3

How many types atoms does an element have?

Answer 3

An element has only 1 type of atom

Question 4

Elements can be…

Answer 4

Natural or man made

Question 5

What 2 elements are liquid at room temperature?

Answer 5

Mercury (Hg) and Bromine (Br)

Question 6

What is a period on the periodic table?

Answer 6

A period is the elements organised in rows

Question 7

What is a group on the periodic table?

Answer 7

A group is the arrangement of columns on the table

Question 8

What is group 1 on the periodic table?

Answer 8

The Alkali Metals

Question 9

What are groups 2 and 3 on the periodic table called?

Answer 9

Transition Metals

Question 10

What is group 7 on the periodic table called?

Answer 10

The Halogens

Question 11

What is group 8 on the periodic table called?

Answer 11

The Noble Gases

Question 12

What are all elements given?

Answer 12

A symbol Ex/ Hydrogen= H

Question 13

What side of the periodic table are metals on?

Answer 13

Left hand side

Question 14

What side of the periodic table are non metals on?

Answer 14

The right hand side

Question 15

What are the properties of metals?

Answer 15

Metals are shiny and electrical conductors

Question 16

What are the properties of non metals?

Answer 16

Non metals are dull and don’t conduct electricity expert Carbon! (In the form of graphite)

Question 17

When are compounds formed?

Answer 17

When elements react together

Question 18

Why do the properties of a compound vary?

Answer 18

Compounds have different properties based on the elements they are made from

Question 19

How are the elements in a compound held together?

Answer 19

The elements in a compound are chemically bonded together and can’t be separated easily

Question 20

What do most compound that end in -IDE contain

Answer 20

The 2 elements indicated in the name

Question 21

What do compounds that end in -ITE and -ATE contain?

Answer 21

The elements in the name and the additional element oxygen

Question 22

What process can be used to break a compound into its elements?

Answer 22

Electrolysis

Question 23

In a physical change what is formed?

Answer 23

No new substances are formed!!!

Question 24

Are physical changes easy or hard to reverse?

Answer 24

Easy

Question 25

A change of state it what?

Answer 25

A physical change

Question 26

What are the changes of state?

Answer 26

Melting, boiling, condensation, solidification, sublimation

Question 27

All chemical reactions involve what?

Answer 27

The formation of one (or more) new substances

Question 28

Are chemical changes easy or hard to reverse?

Answer 28

Hard

Question 29

How can chemical reactions be identified?

Answer 29

Colour change, gas given off and precipitate formed

Question 30

How else can chemical reactions be identified?

Answer 30

Chemical reactions can be identified by energy changes

Question 31

What is ans EXOTHERMIC reaction?

Answer 31

And exothermic reaction releases heat into the surroundings so the products have less chemical energy than the reactnats

Question 32

What is an ENDOTHERMIC reaction?

Answer 32

An endothermic reaction takes in heat energy from the surroundings so the products have more chemical energy than the reactants

Question 33

What is a reactant?

Answer 33

A reactant is a substance that reacts with something else to form something new

Question 34

What is a product?

Answer 34

A product is the result of two reactants reacting with each other and forming something new

Question 35

What is the state symbol for solids?

Answer 35

s

Question 36

What is the state symbol for liquids?

Answer 36

l

Question 37

What is the state symbol for gasses?

Answer 37

g

Question 38

What is the state symbol for solutions?

Answer 38

aq (aqueous)