Ions
Chemical Formulas and Names
Properties of Ionic/Covalent Compounds
Molecular Compounds
Covalent Bonds
100
Magnessium bromide is an ionic compound with the chemical formula AlCl3 What does the 3 tell you?
What is there are three chlorine ions for every aluminum ion
100
A combination of symbols that show the ratio of elements in a compound
What is 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
A molecular compound is
What is a compound that is composed of molecules
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
What is 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

Molecules that contain non metals  are______________bonded

covalently

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

Name this compound MgF2

Magnesium Fluoride

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
What is they form hard, britle crystals with characteristics shape
300
what is a nonpolar bond
What is a covalent bond in which electrons are equally shared
300
A chemical bond that is formed when two atoms share electrons is called
What is covalent bond
400

Ions that are made from atoms is called................bond

ionic

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 formed by

metals and non-metals losing and gaining electrons

400
Which is a property shared by most molecular compounds?
What is low melting points
400

What are three properties of ionic compounds?

high m.p and b.p

solid at room temperature

suable in water 

500
When an atom gains an electron it becomes a
What is negative ion
500

Ammonia (NH3) contains ionic/covalent bond

covalent

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

A covalent bond involve valance  electrons that are .................

shared

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