Chapter 1&2 Test Flashcards
Man who discovered oxygen
Joseph priestly
The first professor of chemistry in the United States
Benjamin Rush
A simple, testable statement of a prediction based on available information
Hypothesis
What science explores natural products and processes for specific purposes and applications
Applied science
Physical property explains materials can be drawn into long, thin wires
Ductility
Measure of disorder or randomness of particles
Entropy
The study of movement and conservation of energy
Thermodynamics
The sum of the kinetic energy of an object’s particles
Thermal energy
Identify 3 characteristics of a liquid
Definite volume
Shapes to container
Low compressibility
Identify 3 characteristics of gases
No definite shape
No definite volume
Easy to compress
What is the most conductive metal and why don’t we use it?
Silver and because it’s to expensive
List 3 of the six major branches of Chemistry
Inorganic
Organic
Analytical
What distinguishes mixtures from pure substances?
A pure substance if only one thing and can only be broken down chemically.
Mixture is two or more and can easily be broken down.
Identify two homogenous and two heterogenous mixtures.
Homogenous- air, gasoline
Heterogenous- soup and dirt