Year 8 Chemical and Physical change 2

What is the word equation for photosynthesis?

Identify the diatomic molecules....

Oxygen O₂ is an example of

diffusion...

Sublimation

Properties of metals include

What is the density of water?

Combustion

Aqueous means...

Non-metals can occur as:

Does this show an element, a mixture or a compound?

Chemical formula for Carbon Dioxide

Can cellular respiration occur without photosynthesis?

What is Phase Change?

How many Potassium, K atoms are present?

Products are...

What does a chemical change result in?

If I determined a chemical equation is balanced what did I count in the chemical equation?

What phase change is this?

What causes phase change?

What physical property of a metal can you determine with a hammer?

How many atoms of oxygen are there?

This is not a sign of a chemical reaction:

what is thermal conductivity?

What are the products in this chemical equation?

What is a phase change?

How often do you make chemistry jokes?

The chemical formula for water is

How many atoms in total are there in the molecule C₂H₆?

Separating salt from salt water was done by:

During photosynthesis

Photosynthesis and respiration are complimentary processes.

Is air an element, compound or mixture?

A compound is made up of only one type of atom

This is an example of a(n).............

An example of physical change is....

What does the →symbol represent in a chemical equation?

Does the following represent a chemical or physical change?

Some elements exhibit the properties of metal and non-metal. They are classified as

Which of the following is not an example of phase change

Liquid in a thermometer rises when the temperature rises because _______.

What symbol is used in a chemical equation?

How does sublimation occur?

What effect does salt have on the density of water?

how many atoms does this molecule have?

Which of the following is not a property of a metal?

What is each substance to the right of the arrow in a chemical equation?

how many atoms does this molecule have?

Reactants are...

This is an example of a(n).............

Lustre means can be drawn into wires.

What is the difference between an element and a compound?

What element is this?

Does the following represent a chemical or physical change?

Reactants are found on the ___________ side of the chemical equation.

A catalyst slows down a chemical reaction.

Why does ice float in water?

What are the reactants in the following chemical equation?

A molecule is made up of ....

What is the chemical formula for nitrogen gas?