Chapter 1 Flashcards
What is the scientific process?
A systematic approach to research.
What is a theory?
A process that looks at why nature works the way it does.
How is a law different from a theory?
A law looks at how nature works while a theory looks out why nature works that way.
What is the definition of Chemistry?
The study of matter and the interactions that occur.
Definition of force
A push or pull on matter
What are the different types of representations?
Particle level, symbolic, and macroscale.
What is a mixture?
A combination of 2 or more pure substances.
What is a pure substance?
Matter that has a constant composition.
What does separation by physical methods mean?
Pure substances can be separated from eachother by not altering the substance.
What is a homogenous mixture?
A mixture that is the same throughout.
What is on heterogenous mixture?
A mixture that isn’t uniform throughout.
What is A compound?
A combination of 2 or more elements.
What is on element?
A combination of 2 or more atoms.
What is a physical property?
Something that can be measured without changing the physical makeup.
What is chemical property?
Something that can be measured by changing the chemical makeup.
