Introduction To Chemistry – 1.2, 3.1 to 3.4

What is Chemistry?

Branches

Analytical Inorganic Organic Physical Biochemical

Matter is anything that ____________ up _______________ and has _______________.

Examples of matter:

Non-examples of matter:

Two Types of Matter
Substance		Mixture
Element	Compound	Homogeneous	Heterogeneous
Ex.	Ex.	Ex.	Ex.

How do you determine if a mixture is homogeneous or heterogeneous?

Techniques to separate a mixture:

Refer to “Mysterious Mixture” Lab

Properties of Matter – 3.1

Properties of Matter
Physical	Chemical
Ex.	Ex.
Intensive
Extensive

States of Matter

(a physical property)

Solid Liquid Gas

Fluidity

Volume

Shape

Temp

Packing

Compression

*** A _____________ is a substance that is not normally a ____________ at room temperature.

Changes in Matter – 3.2

Changes in Matter
Physical	Chemical Also known as a _____________ ___________
Ex.	Ex.

What are the indicators of a chemical reaction?

*** A chemical equation describes a chemical reaction symbolically***

__________________________ à ___________________________

( ) ( )

Refer to “Observing a Chemical Reaction” Lab

Law of Conservation of Mass

*** _______________ is neither ___________________ nor ____________________,

but ________________________ its form.

Mass_reactants = Mass_products

Refer to “Law of Conservation of Mass”

Element Symbols

• There are over ____________ elements
• Each one has a 1 or 2 letter ________________. The first letter is always ___________________ and if there is a second letter, it is always ___________________.
• Some of the element names stem from Greek or _______________ names

Energy

• Defined as the ability to do _____________ and change an object
• 2 forms of energy

1. Potential: _________________ energy

2. Kinetic: energy of an object in ________________

• Types of energy

1. Heat: energy that moves because of a ___________________ difference

2. Chemical: energy that is released or absorbed from chemical ________________

3. Electrical: energy of moving ___________________

4. Radiant: energy that travels through space

· Examples are: ________________________________________________

*** All types can be converted into one another. This is known as the law of conservation of _______________________. (1^st law of thermodynamics)