Chemistry Midpoint Flashcards
Pure substances
A substance where all the particles that make up a substance stay the same
Pure substances split into?
Elements and Compounds
Mixtures
Combination of 2 or more substances that are NOT chemically bonded together
Homgenous
Cant see the parts
hetergenous
Can see parts
Chemical Properties
How a substance reacts with other substances
Example of chemical properties
Flammable, Corrosive, Explosive, Ph
Physical Properties
Characteristics of a substance
example of physical properties
Colour, boiling point, Melting point, Solubility
Chemical Families
Groups of elements on the Periodic
Table
Binary ionic
Metal with non metal. they transfer electrons
Molecular Compound
Non metal with Non metal. They share electrons
Polyatomic Ion
Metal with a Polyatomic Ion. They transfer electrons
Acids (OH) and Bases (H)
H with nonmetal or negative Polyatomic .they transfer electrons
Whats the first step to naming molecular compounds
Write the name of the first nonmetal, leave it unchanged