3.1 Ion Formation
3.2 Ionic Bonding
3.3 Covalent Bonding
3.4 Lewis Structures and Molecular Geometry
3.5 Chemical Formulas
100
What part of the periodic table describes the number of protons in an atom?
Atomic Number
100
An ionic bond forms when one elements ________ electrons to another element.
Donate
100
A covalent bond forms when two elements ______ electrons.
Share
100
Draw the Lewis Structure for Selenium.
100
What is the part of a chemical formula that describes the number of atoms of a specific element or polyatomic ion?
The subscript
200
How does an ion form?
An ion forms when an element has an unequal number of protons to electrons.
200
Draw on your board an example of a polyatomic ion with the correct charge.
Answers vary
200
A covalent bond can form between what two types of elements?
2 nonmetals
200
What is the molecular geometry of a Carbon Dioxide (CO2) molecule?
Linear Shape
200
Write the formula for the following compound:
Phosphorous Trichloride
PCl3
300
What is the name for an ion with a negative charge?
Daily Double: Include an example of this type of ion.
Anion (O-2, F-, N-3)
Answers Vary
300
An ionic bond forms with what type of elements?
A metal and a nonmetal
300
How many electrons are shared in a double bond?
4 electrons shared
300
Draw the Lewis structure of Ammonia (NH3)
300
The unique properties of water are attributed to its ability to easily form what kind of intermolecular force?
Hydrogen Bonds
400
How can you calculate the number of neutrons in an element?
# of neutrons = Atomic Mass - # of protons
400
What is electronegativity?
Measure of the attraction of an atom for electrons in a chemical bond.
400
100 pts for naming each combination of bonds that Carbon can make.
4 single bonds
2 double bonds
1 triple bond, 1 single bond
2 single bonds, 1 double bond
400
How many lone pairs and electron groups does a molecule with a "trigonal planar" molecular geometry have?
Ex: BF3
Lone Pairs:0
Electron Groups: 3
400
What is the chemical formula used for the ionic compound Magnesium Chloride?
MgCl2
500
What kind of ion can carbon form?
Both a cation and anion.
500
What is the electronegativity difference between a Lithium and Bromine atom, and what type of bond does it form?
Electronegativity =1.8
Ionic Bond
500
Name a group of elements are able to form a triple bonds.
Group 14 or Group 15
500
Name the molecular geometry:
T-structure
500
What is the name of the following molecule:
As4O10
Tetraarsenic Decoxide