Show:
Ions
Molecular Compounds
Types of Chemical Reactions
Balancing Equations
Ionic Compounds
100
What is an anion?
An ion that is formed when electrons are gained, giving it a negative charge.
100
What type of bond is in a molecular compound?
Covalent
100

What are the products of a combustion of a hydrocarbon? 

Water, CO2 and energy. 

100
What does the Law of Conservation of Mass have to do with balancing equations?
Matter can be neither created nor destroyed. This means that the number of atoms of each element on either side of the equation must be the same, they are simply rearranged.
100

What type of elements make up an ionic compound?

Metal and a nonmetal (ions)

200

How do we quickly find the charge of an element ion?

By looking at its group/family number on the periodic table.

200
What are the types of elements in a molecular compound? ______ + _______ ?
Non-metal + Non-metal
200
Many double displacement reactions result in the formation of _______ ?
A precipitate.
200

What does the coefficient of 2 mean in this equation?:

2MgO --> 2Mg + O2

2 MgO compounds are needed to have a balanced equation

2 Mg atoms will be produced as part of the balanced equation.

200

True or False: The anion is always named first.

False. Anions (nonmetals) are always second

300
When are roman numerals used in a compound name?
To denote the charge of an ion that is multivalent.
300

What is the formula for this compound: IF7

Iodine heptafluoride

300

What type of reaction is one where there is only one product?

 Synthesis

300

Is this equation balanced? 

2H3PO4 + 6KOH --> 2K3PO4 + 6H2O

Yes.

But how can we improve it?

300

What is the name of this compound: CaI2

Calcium iodide

400

What is an ion called when it is made up of more than one element? Give an example.

Polyatomic.

OH- , PO43- etc.

400
True or False? When the first element in the formula has one atom, mono- is used.
False
400
What type of reaction is Cu + AgNO3→ Ag + Cu(NO3)2?
Single Displacement
400

What is a balanced equation?

An equation with the same number of atoms of each element on either side of the arrow.

400

What is the formula for Magnesium chloride?

MgCl2

500

Looking at an oxygen, will it lose or gain electrons, what will its charge be?

It will gain two electrons and have charge of 2-.

500
What is the name for N2O4?
Dinitrogen tetroxide
500
What type of reaction is AB + CD --> AC + BD
Double displacement
500

What coefficient(s) are needed to balance the following equation?

CH4 + O2 --> H2O + CO2

2O2 and 2H2O

500

What is the name for Fe3(PO4)2?

Iron (II) Phosphate