Lecture 1/30 Flashcards
1
Q
What is matter?
A
anything with mass and volume
2
Q
What is a substance?
A
matter with a defined, fixed composition
3
Q
What are physical properties?
A
characteristics a substance shows by itself. (without changing into or interacting with another substance.)
4
Q
What is the central theme of chemistry?
A
macroscopic-scale properties/behavior are the result of atomic-scale properties/behavior.
5
Q
What is energy?
A
Ability to do work
6
Q
total energy =
A
potential energy + Kinetic energy
7
Q
What is potential energy?
A
energy due to position of object relative to other objects.
8
Q
what is kinetic energy?
A
energy an object has when it is in motion.
