4U Chemistry Review

Periodic Table

100

Elements on the periodic table are ordered by increasing...

Atomic number

200

The atomic mass is the sum of...

The protons and neutrons in an atom

300

Fluorine, Chlorine, Bromine are all examples of...

Halogens

400

Iron, Zinc, Gold and Tungsten are all examples of...

Transition metals

500

As you move from the left side of the periodic table to the right side, atomic radius...

increases

Reactions

100

2 Mg + O₂ --> 2 MgO is an exampleof what type of reaction?

Synthesis

200

What one number will balance this equation? 

Mn + Cl₂ --> MnCl₆

3

300

This type of reaction only happens when an acid mixes with a base.

Neutralization

400

This reaction involves a hydrocarbon forming carbon dioxide and water.

Combustion

500

What is wrong with the following equation? 

Zn + Mg(NO₃)₂ --> Mg + Zn(NO₃)₂ 

Zinc is less reactive than magnesium and can't replace it in a single displacement reaction

Chemical Naming

100

LiF

lithium fluoride

200

Fe₃O₂

Iron (II) oxide

300

H₂SO₄

Sulfuric acid 

400

NaHCO₃

Sodium Bicarbonate

500

H₂O₂

Hydrogen Peroxide

Chemical Formulas

100

Sodium Chloride

NaCl

200

Copper (II) oxide

CuO

300

Bromous Acid

HBrO₂

400

Barium Cyanide

Ba(CN)₂

500

Palladium (IV) Borate

Pd₃(BO₃)₄

Quantitative Chemistry

100

6.02x10²³

Avogadro's number

200

Elements that contain the same number of protons but different numbers of neutrons.

Isotopes

300

What is the molar mass of H₂O?

18. g/mol

400

According to the following reaction, how many moles of iron (II) sulfide can be made from 3 moles of sulfur?

8 Fe + S₈ --> 8 FeS

24 moles

500

According to the following reaction, if 2g of H₂ are used how much HCl will be formed?

H₂ + Cl₂ --> 2 HCl

73g