Ionic & Molecular Compounds Flashcards
What types of elements make up ionic compounds?
Metal and Non-metal OR metal and polyatomic
What type of bond forms between atoms in an ionic compound?
ionic bond
What are the properties of ionic compounds?
Conduct electricity when melted or dissolved
High melting point
Hard and Brittle
Soluble (dissolves in water)
How are ionic compounds drawn?
With arrows and full charges
What is an ionic compound?
Metal and non-metal (or polyatomic) transferring electrons to form stable ions.
What is the quick method for finding the formula of an ionic compound?
Cross-over ion charges
Which type of compound requires roman numerals when writing the formula (only if needed)?
ionic compounds
What is a polyatomic ion?
A group of non-metals with an overall charge
What is a molecular compound?
A compound make from two or more non-metals sharing electrons.
What is the bond called between 2 non-metals?
Covalent Bond
What are the properties of molecular compounds?
Little to no solubility in water
Does not conduct electricity
Low Melting/Boiling Point
Soft and Flexible
What is the method is used when writing formula of an molecular compound?
The prefix system
How are molecular compounds drawn?
stick diagram
