Electrons in Atoms
5.2 Quantum Theory and the Atom
Model of the Atom
In 1913, Danish physicist, Niels Bohr
provided an explanation for the line
Bohr proposed that an electron is found
only in specific circular paths,
Development of the Periodic Table
In the 1700s, Lavoisier compiled a list
of all the known elements of the time.
Development of the Periodic Table (cont.)
The 1800s brought large amounts of
information and scientists needed a
Introduction to Chemistry
Chemistry is the study of _ and the _ it undergoes.
Living and _ things are made of matter.
Chemistry and Matter
Matter is anything that has _ and occupies space (_)
Mass vs. Weight
2.1 Units and Measurements
Scientists need to report data that can be reproduced by
other scientists. They need standard units of
In 1795, French scientists adopted a system of standard
units called the metric system.
composed of such
things as earth,
water, air, and fire.
matter could be
endlessly divided into
smaller and smaller
Section 4.1 Early Ideas about Matt
Recognizing Chemical Reactions
When a substance
undergoes a chemical
change, it takes part in
a chemical reaction.
After it reacts, it no
longer has the same
9.1 Describing Chemical Reacti
Period _ Date _
Lab: Bubble-ology Lab
Students will investigate which brand of dish soap will make the best bubble in a partial inquiry lab
Students will identify and control for independent and dependent variable
Chapter 10 The Mole
10.1 The Mole: A Measurement of Matter
Mole number of _ in a sample of a substance
Mole = 6.02 x 10 23 particles
This number is called _.
The representative particle in a mole of water is the water _.
The representative partic
8.1 The Covalent Bond
Some atoms achieve the electron
configuration of a noble gas by gaining or
They become ions and through an ionic
bond they become ionic compounds .
Some other elements will go into a tu
Period _ Date _
Lab: The Golden Penny
In this lab you are going to take a penny and turn it from copper to gold. In doing so, you are following a tradition that goes back to the earliest days
of chemistry. The modern practice of che
Cooling Rate of Water Lab Quiz Mr. Evans
Use the data table to answer questions 1-3 Do not forget to add units to your answer
Time (convert to proper units)
50 mL Beaker
200 mL Beaker
Ionic and Metallic
7.1 Ion Formation
A chemical bond is the force
that holds two atoms together.
Chemical bonds form by
attraction between the positive
nucleus of one atom and the
negative electrons of another atom.