Reference Table
Electron Dot Diagrams
Ionic Bonds
Covalent Bonds
Chemical Formulas
100
Which type of bond is found in sodium bromide?
What is Ionic Bond?
100
The number of dots around Sodium?
What is one?
100
A bond formed by the transfer of electrons from one atom to another.
What is What is Ionic Bond
100
When an electron is attracted to the nuclei of two atoms at the same time
What is a covalent bond?
100
Identify the number of atoms in the compound NH4Cl
What is 6?
200
Why CCl4 nonpolar based on this picture.
What is the chlorines negative charge is evenly spread leading to no polarity?
200
The number of dots around Stontium?
What is 2?
200
List 3 characteristics of Ionically Bonded Molecules.
What is :
High Melting point
Hard, brittle solid at room temperature
Poor conductor of heat and electricity as a solid
Good conductor of electricity as a liquid or in an aqueous solution.
200
Which of the above formulas is nonpolar covalent made of polar covalent bonds?
What is H2O?
200
As two Chlorine atoms combine to form a molecule, energy is
What is released?
300
Based on the Properties of Selected Elements chemistry reference table, which atom has the strongest attraction for the electrons in a chemical bond?
What are the Fluorine ?
300
The number of dots around silicon
What is 4?
300
The attraction between a positive ion and a negative ion
What is an ionic bond?
300
Highly mobile electrons in the valence shell of metals allows them to be ________, _________ and ________.
List 2 of the 3.
What is a malleable, ductile , and conductive?
300
Anions have ________ electrons and thus have a _______ charge.
What is gained and negative?
400
Which substance is correctly paired with its type of bonding?
Br2- polar covalent
NaBr- nonpolar covalent
3. NH3- polar covalent
What is 3?
400
Draw the electron-dot (Lewis) structure for the NH3 molecule below.
What is 
400
A pure substance containing two or more elements
What is a compound?
400
The bonds between hydrogen and oxygen in a water molecule are classified as_______ ___________.
What is a polar covalent?
400
Explain why NH3 has stronger intermolecular forces of attraction than Cl2
What is it has polarity and hydrogen bonds (very strong)?
500
Using the electronegativity on your reference table the bond between which two atoms is most polar
I and F
I and Cl
What is I and F?
500
What is the correct electron dot diagram for the compound magnesium fluoride
What is
500
Which element reacts with Oxygen to form ionic bonds.
Nitrogen
Chlorine
Calcium
Hydrogen
What is Calcium?
500
The type of bond between 2 nitrogen atoms
What is a triple bond?
500
the total number of atoms in a molecule of carbon dioxide
What is 3?