Chapter 1 Flashcards
What is physical science?
Calculations and measuring
What is chemistry?
The study of the composition, structure, and properties of matter and changes it undergoes
Why is chemistry the central science?
It involves living and nonliving
How do we study chemistry?
Instruments used to observe and make measurements to get information to calculate and explain
What is organic chemistry?
The study of most carbon contained compounds
What is physical chemistry?
The study of properties and changes of mater in relation to energy
What is inorganic chemistry?
The study of all substances not classified as organic, mainly compounds that do not contain carbon
What is analytical chemistry?
The identification of the components and composition of materials
What is biochemistry?
The study of substances and processes occurring in living things
What is theoretical chemistry?
The use of math and computer to improve the quality of life
What is a chemical?
A chemical is any substance with a definite composition
What is basic research?
Carried out for the sake of gaining knowledge. Research
What is applied research?
Is used to solve a problem. Making medicine
What is technological development?
The production and use of products to improve the quality of life. Shipping
What is mass?
A measure of the amount of matter in a material
What is matter?
Anything with mass that takes up space
What is weight?
Measure of the gravitational pull on an object
What is an atom?
Smallest unit of an element that had the same properties of that element
What is an element?
A pure substance composed of only one kind of an atom
What is a compound?
A substance made of two or more elements that are chemically bounded together
What is the extensive property?
Depends on the amount of mater that is present
Mass and volume
What is the intensive property?
Do not depend on the amount of matter that is present
Color and density
What are physical change characteristics?
Can be observed or measured without changing the identity of the substance
What are the different states matter can be in?
Solid(s), liquid(l), gas(g)
