Chemical Change and Laws
Physical Change
Nuclear Change
Talking About Atoms
Properties of Matter
100

What was Charles's Law

Higher temperature=higher volume

Lower temperature=lower volume

100

The specific point where a solid turns to a liquid

Melting point

100
Nuclear change is an event that ____________ alters the ____________ of an atom

Greatly alters the nucleus of an atom

100

Atoms are made up of these 3 parts:

Electrons, Neutrons, Protons

100

Because solids have a low kinetic energy, how do solids move?

They vibrate

200

Name two types of chemical changes:

Combustion 

Oxidation

200

The process of a liquid turning to a solid

Freezing

200

Nuclear changes affect these two parts of the atom

The electrons and the nucleus

200

Molecules are made of what:

Two or more atoms

200

What is the difference between the shape and volume of a solid and a liquid

Solids have a definite shape and volume while liquids have a definite volume but not a definite shape


300

Chemical change happens when a substance changes into an entirely _____________ substance with _________ properties

Entirely different substance with unique properties.

300

The process of a solid turning to a gas

Sublimation

300
When an atom is split into two smaller atoms this process is called what?
Fission/ nuclear fission
300

True or false: Elements are pure substances

True

300

What is viscosity in a liquid?

the resistance to flow 

high viscosity=low flow

low viscosity=high flow


400

What are the three characteristics of chemical change?

1. Chemical changes always result in a change in physical properties

2. Chemical changes result in changes to chemical properties

3. Chemical changes cannot be reversed


400

The two processes involved with gas and plasma

Ionization: Gas to Plasma and Recombination: Plasma to Gas

400

When two smaller atoms are combined into one larger atom this process is called what?

Nuclear Fusion

400
What are compounds made of:

Two or more elements

400

The attractive force between unlike substances that holds them together

Adhesion

500

What was Boyle's Law?

Higher pressure=lower volume

Lower volume=higher pressure

500
Whats the name used for when water turns to a gas, and what is it called when done quickly and slowly
Vaporization


When done quickly its boiling and when done slowly its evaporation

500

Name one positive way and one negative way nuclear radiation is used in daily life?

Helpful: X-rays, smoke detectors, etc. 


Harmful: Illness, death


500

What is the difference between a homogenous and a hetergenous mixture?

A heterogenous mixture is not uniform throughout while a homogenous mixture is uniform throughout

500

The cohesion of particles at the surface of a liquid

Surface Tension

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