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What is chemistry

Chemical Reactions 

Thermochemistry & Heating and Cooling Curves

Electron Behavior and Bonding

Models of the Atom

Intermolecular and intramolecular bonding

Subatomic Particles

The Mole 

Rate of Solution & Solubility

You Write names of formulas and compounds

Periodic Table and Trends

Classifying types of Solids

Gas Laws

Acids and Bases

 "Today we will be learning about Chemistry," says Mrs. 

Stuckwisch.

"What is Chemistry?" asks little Tommy.

"Well Tommy, Chemistry is the study of matter and the 

changes matter goes through.  

"So shall we begin class?" says Mrs. Stuckwisch.

Chemical bonding:

Ionic~ between a metal and a nonmetal and electrons transferred.

Covalent~ between two nonmetal and electrons are shared.

  Polar:atoms have unequal attraction for shared electrons.

  Non-polar:electrons shard equally between bonded atoms.

Chemical reactions occur when molecules interact and bonds are either 

created or broken.

    You join two elements to form compounds.

TYPES:

Synthesis: reactants then product

Decomposition: product then reactants

Single Replacement: one element switched places

Double Replacement: two elements switch places

Combustion: carbon + hydrogen + oxygen-->   carbon dioxide and water

Thermochemistry is a study of heat and how it 

changes during a chemical reaction.

Heating and cooling curves are line graphs that 

show changes in phases of matter

Heating curves often show the change from a solid 

to a liquid or a liquid to a gas. 

Cooling curves often show the change from a gas 

to a solid or from a liquid to a solid.

Electrons move around the nucleus of the atom in 

orbits.

Electron configuration-

 *goes in order of energy levels.

 *arrange the energy sub-levels according to 

increasing energy.

Ex.)

IRON- 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6

Protons and Neutrons form in the center.

Electrons orbit around the nucleus.

Intermolecular bonding is a force of attraction where 

the bond is between the molecules. 

     Types:

1.)Dipole-Dipole

2.)London Dispersion

3.)Hydrogen Bonding

4.)Ion-Dipole

5.)Ionic Bonding

Intramolecular bonding is a force of attraction in which 

the bonds are inside the molecules.

The 3 Types of Subatomic Particles:

Electrons~ Negative charged(e-)

Protons~ Positive charged(p+)

Neutrons ~ zero charge(n0)

*Atomic mass: protons+neutrons

*Atomic number: # of protons

*Charge- # of protons - # of electrons

*Ion: charged atom

*Isotope: same element, different mass(more or less 

neutrons)

the mole is a unit of measurement used in 

chemistry to express amounts of a chemical 

substance, defined as the amount of any 

substance that contains as many elementary 

entities as there are atoms

   symbol: mol

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