Chemistry culminating (matter) Flashcards
What is matter?
Matter refers to anything that has MASS and VOLUME. The stuff of the universe.
What is a particle?
A SMALL or SINGULAR portion of MATTER
What is pure substance?
A substance that is made up of only ONE TYPE of particle
What is an element?
A pure substance that CANNOT be broken down into a simpler chemical substance by any PHYSICAL or CHEMICAL means
What is a compound?
A pure substance composed of TWO OR MORE DIFFERENT ELEMENTS that are chemically JOINED
What are the two pure substances?
Elements and Compounds
What is a mixture?
a substance that is made up of AT LEAST TWO DIFFERENT TYPES of particles.
Whats a mechanical mixture?
A mixture in which you can VISUALLY DISTINGUISH between different types of matter. This is also called a HETEROGENOUS MIXTURE
What is a solution?
A UNIFORM MIXTURE of two or more substances. This is also called a HOMOGENOUS MIXTURE.
What are the two mixtures?
A mechanical mixture and a solution
Particle theory:
All things are made up of tiny particles.
PISAM is?
P= PARTICLES
I= IDENTICAL
S= SPACE
A=ATTRACT
M= MOTION
Particle state of matter is?
Solid, Liquid, Gas
What happens when a substance is heated?
The particles absorb energy and VIBRATE and MOVE AROUND more
What happens when a substance is cooled?
Particles slow down and move CLOSER together to get rid of SPACE.
