Unit 4 Review!

Types of Compounds

100

An example of this type of compound is MgCl₂

What is an ionic compound?

200

This type of compound can be found in any state; solid, liquid, or gas, at STP (0 degrees C, 273 K)

What is a molecular compound?

300

This element, when forming a compound, will always either gain an electron or have a negative partial charge.

What is Fluorine?

400

I would go to Table E if I found a ternary type of this compound.

What is ionic?

500

This concept involves the same element having a different structure and as a result, different properties

What is an allotrope?

Types of Reactions

100

This reaction will always result in two products: Carbon Dioxide gas and Water Vapor

What is Combustion?

200

This type of reaction breaks one compound down into simpler substances

What is Decomposition?

300

I would need to go to Table J to determine how to approach this type of reaction.

What is Single Replacement?

400

In this reaction, two ionic compounds in solutions often swap ions, sometimes forming a precipitate, water, or a gas.

What is Double Replacement?

500

This reaction's reactants consist of a hydrocarbon and oxygen gas.

What is combustion?

Naming

100

The compound NaBr is named this.

What is sodium bromide?

200

The covalent compound CO is named this.

What is carbon monoxide?

300

This roman numeral would appear in the name of FeCl₃​​​​

What is III?

400

This compound is given the name "dinitrogen tetroxide"

What is N₂O₄?

500

This compound would be given the name "nickel (III) sulfate"

What is Ni₂(SO₄)₃?

Oxidation States

100

In all compounds, the oxidation state of any Group 1 metal is this value.

What is +1?

200

In most compounds, Oxygen holds this oxidation state.

What is -2?

300

In the compound Na₂O_2, Oxygen breaks the rules to have this oxidation state.

What is -1?

400

This charge is what all compounds must hold in order to exist.

What is 0 (or neutral)?

500

In the reaction 2Mg + O_{2 -->} 2MgO, this element is oxidized from 0 to +2.

What is Magnesium (Mg)?

Putting it Together!

100

Classify this compound and determine if it contains a polyatomic ion: CaCl₂

What is an ionic compound with no polyatomic ion?

200

This type of reaction looks a bit like this: 2KClO₃ --> 2KCl + 3O₂​​​​

What is decomposition?

300

The compound CO₂ is made of two nonmetals, leading us to believe that CO₂ is this type of compound.

What is molecular?

400

KI + Pb(NO₃)₂ --> KNO₃ + PbI₂ consists of two ionic compounds as its reactants. One can deduct it is this type of reaction.

What is double replacement?

500

The reaction Zn + 2HCl --> ZnCl₂ + H₂ is of this type, and this element is reduced from oxidation states +1 to 0.

What is single replacement, H