Science 10 Unit A Review - Chemistry

The image below is an example of

The name for SO₄^2-    is 

dinitrogen monoxide is

What hazard is represented by this symbol?

The number of electrons that a phosphorus ion has is

The formula for the acid below is

Under the section that is labelled first aid measures there is info about

Substance that is made of two or more types of atoms that cannot be separated by ordinary means

The number of protons that an atom of phosphorus has is

Calcium carbonate is an ionic compound.

If the mass of the product CaSO_{4 (s)}  is 200.23 g  then  the mass of 

Balance this:   __ N₂  + ___  H₂ -->   ___  NH₃

The subatomic particles found in the nucleus are

The mole is equal to 

The formula for diphosphorus tetraoxide is

Ionic compounds can exist as solids, liquids and gases at room temperature.

WHMIS stands for

When heat is lost from a reaction, a _______ change has taken place.

Which of the following is FALSE about acids and / or bases?

Below is a picture of a ____ showing a ____ solution.

PbCl_{4  (s)}    is called

The correct name for    H₂S  is  

The scientist that described the atom as small spheres was

Matter cannot be created or destroyed, only converted from one form to another. This is the law

A clue to a chemical change is

Combustion requires ____  to occur and often produces a gas called __________.

The number of protons that a phosphorus ion has is

What hazard is represented by this symbol?

Molecular compounds are solids at room temperature and conduct electricity in solution.

Single replacement reactions will start with one element and compound and then end with

The following elements are diatomic and are always written as ___  _{2  (2 atoms)}

C₁₂H₂₂O_{11  (s)}  is called