Term 1

Question 1

How many Protons does Neon have?

Answer 1

10

Question 2

Neutrons = Atomic mass - protons
Find the number of neutrons of Na

Answer 2

Neutrons = atomic mass - protons
Neutrons = 23-11
Neutrons = 12

Question 3

What am I ?

Oxygen + Hydrogen ~ Water
(Which are reactants and which are products?

Answer 3

Reactants
Hydrogen and oxygen

Products
Water

Question 4

What am I? - Element with 8 electrons?

Answer 4

Oxygen

Question 5

Fill in the blanks:

Chlorine is in group ____ and period ____

Copper is in group ____ and period ____

Answer 5

Chlorine is in group 17 and period 3

Copper is in group 11 and period 4

Question 6

True or false? - If temperature increases the rate of reaction increases

Answer 6

True

Question 7

True or False? - bases are 7 - 14 on the pH scale

Answer 7

False - 8 - 14

Question 8

True or False? - The pH scale ranges from 0-15?

Answer 8

False, 1-14

Question 9

On a periodic Table, are Groups Vertical or Horizontal?

Answer 9

vertical

Question 10

What are the 7 signs of a chemical change?

Answer 10

• Temperature Change
• Bubbles appear
• Colour Change
• Change in smell or taste
• Production of light
• Precipitate forms
• Change in Volume or Mass

Question 11

True or False? - Bases produce 𝑂𝐻− ions in aqueous solution

Answer 11

True

Question 12

On a periodic Table, are Periods Vertical or Horizontal?

Answer 12

Horizontal

Question 13

What are 5 characteristics of Acids?

Answer 13

• Corrosive
• Taste sour
• Common in Citrus Food
• react with base
• release H+ ions

Question 14

True or False: is this equation balanced?

O2 + H2 ~ H2O

Answer 14

False, O2 + 2H2 ~ 2H2O

Question 15

What are the 5 Factors that affect the rate of reaction?

Answer 15

• Concentration
• Temperature
• Surface area
• Catalysts
• Agitation

Question 16

True or False - The Law of Conservation of Mass means that the total mass reactants must also equal the total mass of the products

Answer 16

True

Question 17

What are 5 characteristics of Bases?

Answer 17

• Corrosive
• Taste bitter
• Common in cleaning products
• react with acids
• release Ho- ions

Question 18

What am I? - Element number/ Atomic Number 4

Answer 18

Berylium

Question 19

Fill in the blanks:
The law of conservation of mass states that: mass can neither be created nor _________

Answer 19

The law of conservation of mass states that: mass can neither be created nor DESTROYED

Question 20

True or False? - Acids will release hydrogen ions 𝐻+ in aqueous solution

Answer 20

True

Question 21

Is Burning wood Chemical or Physical change?

Answer 21

Chemical Change

Question 22

What am I? - The ____ Theory

Answer 22

The Collision theory

Question 23

Fill in the blanks:
Na is the element symbol for ___
Na has the element number ____
Na has ___ protons and ___ electrons.
Na has an atomic mass of ___

Answer 23

Na is the element symbol for Sodium
Na has the element number 11.
Na has 11 protons and 11 electrons.
Na has an atomic mass of 23 amu.

Question 24

True or False? - Bonds break between reactants and new bonds are created in products

Answer 24

True

Question 25

Where is the Atomic Number/ Element Number located?

Answer 25

Top right

Question 26

What am I? I released Heat

Answer 26

Exothermic

Question 27

Fill in the blanks: Proton = _______ charge Neutron = _____ charge Electron = _____ charge

Answer 27

Proton = Positive charge Neutron = No/Neutral charge Electron = Negative charge

Question 28

Where is the Name located?

Answer 28

Under the big letter(s)

Question 29

True or False? -If surface area decreases, rate of reaction increases

Answer 29

False; if surface area increases rate increases

Question 30

Find the number of neutrons for Carbon

Answer 30

Neutrons = atomic mass - protons Neutrons = 12 - 6 Neutrons = 6

Question 31

What am I? I am a chemical reaction the absorbs heat energy

Answer 31

Endothermic

Question 32

Fill in the blanks: Aluminium foil is cut in half is a ___ change. Jewellery rusting is a ____ change. Milk going sour is a ____ change because there is a bad ___ produced.

Answer 32

Aluminium foil is cut in half is a physical change. Jewellery rusting is a chemical change. Milk going sour is a chemical change because there is a odour/smell/precipitate produced.

Question 33

Fill the blanks: When particles get ___ they move faster.

Answer 33

When particles get hotter they move faster.

Question 34

True or False? - Products ~ Reactants

Answer 34

False, Reactants ~ Products

Question 35

Where is the atomic mass located?

Answer 35

At the bottom

Question 36

True or False? - Acids are 1 - 6 on the pH scale?

Answer 36

True

Question 37

Where is the symbol located?

Answer 37

In the Middle

Question 38

Fill in the blanks: 30g Hydrogen + 15g oxygen ~ ___g of water 2g sulfur + ___g Iron ~ 8g of Iron Sulfide

Answer 38

30g Hydrogen + 15g Oxygen ~ 45g of water. 2g Sulfur + 6g Iron ~ 8g of Iron Sulfide

Question 39

True or False, Group 2 Period 4 is Magnesium?

Answer 39

False: Calcium

Question 40

# True or False: If the change in temperature is - 2 degrees Celsius, this is an endothermic reaction

Answer 40

True as there is a decrease in temperature

Question 41

What am I? - Element with atomic mass of 4

Answer 41

Helium

Question 42

# Fill in the Blanks: The minimum amount of energy required for an effective collision is called the ____ energy.

Answer 42

The minimum amount of energy required for an effective collision is called the ACTIVATION energy.

Question 43

True or False ~ This equation is NOT balanced O2 + 2Zn ~ 2ZnO

Answer 43

False; it is balanced

Question 44

What is 7 on the pH scale and what is an example of it?

Answer 44

Neutral - water

Question 45

Is Cutting Paper a Chemical or Physical Change?

Answer 45

Physical

Question 46

Where is the Coefficients located?

Answer 46

At the begining (infront of the letter)