Review Your Notes for the Unit

Chemistry Unit ReviewSNC 2D

Study tips:

Review your notes for the unit

Study the glossary terms for the unit

Try to answer the questions on the review sheet without using your notes

Use your periodic table to answer these questions.

Put a star beside any question that you have difficulty with, so that you can review this material in more detail.

Answer the textbook questions that are listed below for extra practice.

Chemistry Unit Review

1. There are different types of compounds that are formed when atoms bond together. Complete the following chart to show the difference between these types.

1. Show the bonding for the following compounds:

1. Name the following compounds:
2. NaCl______
3. Mg3(PO4)2______
4. P2O5______
5. Hg2SO4______
6. Cu(OH)2______

1. Identify the chemical formula for the following names:
2. Calcium nitrate______
3. Iron (III) chloride______
4. Hydrochloric acid______
5. Sulphur trioxide______
6. Gold (I) sulphate______

1. Chemical reactions can be written as a word equation, a skeletal equation and as a balanced equation. The Law of conservation of mass is used to help with the balancing process.
2. What is the Law of conservation of mass?

1. When baking soda is mixed with hydrochloric acid, the mass of the reactants is more than the mass of the products. Why?

1. There are four different types of reactions.

Double Replacement

1. For each of the examples below indicate the type of reaction and balance the equation.
2. _____ Mg(OH)2 _____ MgO + _____H2O

Type of Reaction: ______

1. _____ Cl2 + _____NaBr  _____Br2 + _____NaCl

Type of Reaction: ______

1. _____H2S+ _____KOH  _____HOH + _____K2S

Type of Reaction: ______

1. _____SrCl2 + _____Na  _____Sr + _____NaCl

Type of Reaction: ______

1. _____N2 + H2 _____NH3

Type of Reaction: ______

1. Explain the differences between acids and bases:

1. What happens when a base (NaOH) and an acid (HCl) are mixed together?

Write down the balance chemical equation that describes this reaction.

Chemistry Unit ReviewSNC 2D

Study tips:

Review your notes for the unit

Study the glossary terms for the unit

Try to answer the questions on the review sheet without using your notes

Use your periodic table to answer these questions.

Put a star beside any question that you have difficulty with, so that you can review this material in more detail.

Answer the textbook questions that are listed below for extra practice.

Chemistry Unit Test Date: ______

Chemistry Unit Review

1. There are different types of compounds that are formed when atoms bond together. Complete the following chart to show the difference between these types.

1. Show the bonding for the following compounds:

Ionic

Covalent

17.Name the following compounds:

1. NaCl_____Sodium Chloride______
2. Mg3(PO4)2_____Magnesium Phosphate______
3. P2O5_____Diphosphorus Pentaoxide______
4. Hg2SO4_____Mercury Sulfate______
5. Cu(OH)2______Copper (II) Hydroxide ______

1. Identify the chemical formula for the following names:
2. Calcium nitrate______Ca(NO3)2______
3. Iron (III) chloride______FeCl3______
4. Hydrochloric acid______HCl______
5. Sulphur trioxide______SO3______
6. Gold (I) sulphate______Au2SO4______

1. Chemical reactions can be written as a word equation, a skeletal equation and as a balanced equation. The Law of conservation of mass is used to help with the balancing process.
2. What is the Law of conservation of mass?

The mass of the reactants is equal to the mass of the products in a chemical reaction.

Reactant Mass= Product Mass

1. When baking soda is mixed with hydrochloric acid, the mass of the reactants is more than the mass of the products. Why?

CO2 gas is released to the air

1. There are four different types of reactions.

A + B  AB

Double Replacement

1. For each of the examples below indicate the type of reaction and balance the equation.
2. _____ Mg(OH)2 _____ MgO + _____H2O

Type of Reaction: ____decomposition______

1. _____ Cl2 + __2__NaBr  _____Br2 + __2___NaCl

Type of Reaction: ______single displacement______

1. _____H2S+ __2___KOH __2___HOH + _____K2S

Type of Reaction: __double displacement______

1. _____SrCl2 + __2___Na  _____Sr + __2__NaCl

Type of Reaction: ______single displacement______

1. _____N2 + __3__ H2 ___2__NH3

Type of Reaction: ______synthesis______

1. Explain the differences between acids and bases:

1. What happens when a base (NaOH) and an acid (HCl) are mixed together?

Write down the balance chemical equation that describes this reaction.

1. What industries or processes cause acid precipitation?
   Coal burning plants, cars and trucks, metal smeltors
2. Why doesn’t normal acid rain affect some of the lakes in Ontario?
   Lakes in deep soil high in limestone are protected
3. What effect does acid precipitation have on ecosystems?
   Dissolve marble statues, corrode metal; increase in respiratory problems, irritable skin: damage leaves, trees, and soil.
4. When during the year would the effects of acid rain be the worse? Explain why.