Names & Formulas
Lewis/VSEPR
Bonding Characteristics
I Think I Lost an Electron
Potent Potables
100
What does the “IV” mean in tin (IV) iodide?
charge of tin (cation) is +4
100
How many electrons are shared in a triple covalent bond?
6
100
Why do ionic compounds transfer electrons?
To get 8 valence electrons and be stable.
100
How many valence electrons are present in an atom of iron?
2
100
What type of bond forms when electrons are shared equally between two atoms?
nonpolar covalent bond
200
What is the chemical formula for phosphorus pentachloride?
PCl5
200
What does the prefix “hepta” mean
7
200
Which types of atoms form covalent bonds?
Two nonmetals
200
What is an anion?
A negatively charged ion that has gained electrons.
200
List an element that forms a +2 ion.
All transition and inner transition metals, as well as group 2 alkaline earth metals.
300
What is the correct name for Mg2C?
Magnesium carbide
300
What is the VSEPR shape for methane (CH4)?
tetrahedral
300
List a property of covalent compounds
Low melting and boiling points
Poor conductors of heat and electricity
Are liquids and gases at room temperature
300
What charge will phosphorus have when it becomes an ion?
-3
300
Draw the Lewis Dot diagram for a neutral atom of Germanium
400
What is the correct formula for chromium (III) sulfate?
Cr2(SO4)3
400
Draw the Lewis structure for carbon monoxide
400
Atoms with very different electronegativities are expected to form ______ bonds
ionic bonds
400
How does selenium obtain a full octet when forming ionic bonds? What is its charge?
gains 2 electrons, has a -2 charge
400
What is the effect of lone pairs on molecule polarity?
It makes them polar
500
What ionic compound forms when nitrate and aluminum react?
Al(NO3)3
500
Which VSEPR shapes are nonpolar?
Linear, trigonal planar, tetrahedral
500
What is the name for the type of bonding in metallic compounds?
Electron sea model (electrons flow between atoms)
500
What is the charge on iron in Fe(NO3)3?
+3
500
What are the 7 diatomic atoms?
H, N, F, O, I, Cl, Br (Have no fear of ice cold beverages)