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Ions
Chemical Formulas and Names
Properties of Ionic/Covalent Compounds
Ionic Compounds
Covalent Bonds
100
Aluminum Chloride 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 electricity?
What is liquid The ions in soild cyrstals are tightly packedand cannot move. If the ions cannot move there is no current.
100
Ionic compounds are ________________ (can break easily).
What is brittle
100
Covalent bonds consist of these types of elements.
What are two non-metals.
200
When an atom loses an electron it becomes a_______
What is positive ion or cation
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, an ionic bond is formed.
What is transfered
200
Covalent compounds can be found in this/these states.
What are solid, liquid, gas.
300
An ionic bond is__________
What is the attraction of oppositely charged ions; a metal and a non-metal bonded together.
300
Write the correct formula for the following compound: Monophosphorus Trifluoride
What is PF3
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
Name this ionic compound: GaCl3
What is gallium chloride
300
A chemical bond that is formed when two atoms share electrons is called
What is covalent bond
400
When a metal and a non-metal come near each other, electrons are ________________ from the metal to the non-metal.
What is transferred
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 ___________
What is neutral
400
Ionic compounds have high melting points which means _____________________.
What is they have very strong bonds.
400
What is a double bond?
What is two pairs of electrons that are shaired between two atoms
500
When an atom gains an electron it becomes a
What is negative ion or anion
500
Name this compound: CoBr2
Cobalt (II) Bromide
500
What are the three properties of Ionic bonds?
What is 1)Ionic crystals 2)High Melting Points 3)Electrical Conductivity
500
CURVEBALL: What are three properties of covalent compounds?
What is low melting points, low boiling point, and poor conductivity
500
A covalent bond in which electrons are shared enequally is called....(where do santa and the penguins live??)
What is Polar