Show:
Ions
Chemical Formulas and Names
Properties of Ionic/Covalent Compounds
Molecular/Covalent Compounds
Covalent Bonds
100

Aluminium chloride is an ionic compound with the chemical formula AlCl3. What does the 3 tell you?

There are three chlorine ions for every aluminum ion

100

A combination of symbols that show the ratio of elements in a compound is known as

chemical formula

100
In what state of matter do ions conduct electricicty?
What is liquid The ions in soild cyrstals are tightly packedand cannot move. If the ions cannot move there is no current.
100

How many atoms are in CO2 ?

3 

100

what is a molecule

What is a neutral group of atoms joined by covalent bonds

200
When an atom loses an electron it becomes a_______
What is positive ion
200

What is the chemical name of CaF2?

Calcium Flouride

200
The attraction of a postive and negative ion results in a___________________________
What is ionic bond
200
When electrons are ___________________between two atoms, a covalent bond is formed
What is shared
200

What does diatomic mean?

Elements normally found as a couple e.g. Oxygen.

300
An ionic bond is__________
What is the attraction of oppositely charged ions
300

Name this compound NA2CO3 ?

Sodium Carbonate

300

Identify the property of Ionic bonds. 

1)They have low melting points 2)They have low boiling points 3)The form hard, brittle crystals with characteristics shape 4)They contian no charges

300

What is the charge of a Magnesium ion?

2+

300


A chemical bond that is formed when two atoms share electrons is called

What is covalent bond

400
Ions that are made of more then one atom are examples of _______
What is polyatomic ions
400
When ions having a positive charge form bonds with ions having a negative charge, the charge on the resulting compound is
What is Neutral or Zero
400

Ionic compounds are electrically ___________

neutral

400
Which is a property shared by most molecular compounds?
What is low melting points
400
What is a double bond?
What is two pairs of electrons that are shaired between two atoms
500

How many ions of Fluorine will bond with an ion of Magnesium?

2 

500

Hydroxide(OH-) and Carbonates (CO32-) are examples of _______

Polyatomic ions

500
What are the three properties of Ionic bonds?
What is 1)Ionic crystals 2)High Melting Points 3)Electrical Conductivity
500
What are three properties of molecular compounds
What is low melting points, low boiling point, and poor conductivity
500

What sort of bond is there between nitrogen atoms?

triple covalent bond