Q1 Lesson1.1 Genchem

Atoms

• building blocks of matter

Matter

• Anything that has mass and volume.

Ancient Greek philosophers

• _ were the first speculate the nature of matter.

Continuity of matter

• _ Matter can be broken down into pieces and as you do so, you will not be able to obtain the smallest parts.

Leucippus
Democritus
Atom
Indivisible

• _ thought that all materials are made up of tiny bits of matter which cannot be divided further.

• Greeks referred to this as _ (Greek word atomos, meaning _)

Discontinuity of matter
Matter is composed of discrete particles.
There is an empty space between particles of matter.
The particles of matter are in constant motion.
There are forces that act between particles.

• _ matter is made up of particles instead of a primal material.

• What are the 4 main ideas? (M T T T)

Vibratory motion
Fast and Random

• Particles that are close to one another move in _, while particles that are far apart move _ directions.

Kinetic energy increases.

If the heat energy increases, _

Intermolecular forces
Attract
Repel

• may be attractive or repulsive.

• The water particle inside the glass _ one another.

• The glass particles and the water particles outside the glass _ one another.

Dictate

• the arrangement of particles, its motion, and intermolecular forces _ the kind of state in which matter exists.