Apply the Rule
Why does NaCl not use prefixes?
Its an ionic compound. Metal and Nonmetal
Name: NaCl
What is sodium chloride?
Write the formula for carbon monoxide?
CO
Which type has high melting point?(ionic, molecular, or metallic)
Ionic
How many valence electrons does oxygen have?
6
Why does CO₂ use prefixes?
Covalent molecule, two nonmetals
Name: CO₂
What is carbon dioxide?
Write the formula for magnesium oxide?
MgO
Which type is malleable?(ionic, molecular, or metallic)
metallic
2
Why does FeCl₃ need a Roman numeral?
Iron is a multivalent metal. It can have multiple oxidation states (charges).
Name: Ca(NO₃)₂
What is calcium nitrate?
Ca (OH)2
Which type does NOT conduct electricity? (ionic, molecular, or metallic)
molecular
How many electrons do atoms need to be stable?
8
Why is HCl named hydrochloric acid?
It has they "hydro" prefix because it is a binary acid, root chlor because the 2nd element is chlorine, and last name acid because it starts with hydrogen.
Name: N₂O₄
What is dinitrogen tetroxide?
Write the formula for Iron (III) Oxide.
Fe2O3
Which type conducts when dissolved? (ionic, molecular, or metallic)
Ionic
How many bonds does nitrogen for in NH3?
3
How do you know Ca(NO₃)₂ needs parentheses?
multiple polyatomic ions
Name: FeCl₃
iron (III) chloride
Write the formula for sulfuric acid.
H2SO4
Which type has a “sea of electrons”? (ionic, molecular, or metallic)
metallic
How many lone pairs are on oxygen in water?
2