definitions Flashcards
What is matter?
anything that has mass and occupies space
Describe the general structure of a solid state ionic compound
An extended array of alternating positive and negative ions
What is a formula unit of an ionic compound?
The smallest whole number repeating ratio of ions present
What is the chemical property of the noble gases that leads to the conclusion that they possess extremely stable electron arrangements?
They are the most unreactive of all elements.
Key word: chemical property
VSEPR theory
Valence shell electron pair repulsion
Name three changes of state that are ENDOthermic
Melting
Evaporation
Sublimation
Name three changes of state that are EXOthermic
Freezing
Condensation
Deposition
Freezing is _______ thermic
Exo
Melting is ______thermic
Endo
Evaporation is ______thermic
Endo
Deposition is ______thermic
Exo
Sublimation is ______thermic
Endo
Evaporation is ______thermic
Endo
