Definitions
Hypothesis that has been tested multiple times and not been contradicted.
Scientific Law
What is the number 3.2 x 10^3 in standard notation?
3200
What is the formula for Density?
D=mass/volume
How many electrons can be held in every ring except for the first?
8
Why are atoms in an ionic bond attracted to each other?
A positive Ion and A negative Ion attract
A synthesis of facts and well-tested hypotheses (they can change over time).
Theory
What is the number 1.1 x 10^2 in standard notation?
110
What is the density of water?
1 g/cm^3
How many electrons can the first ring hold?
2
What do atoms in a covalent bond do with their electrons?
What do atoms in an ionic bond do with their valence electrons?
Covalent=Share them
Ionic=Transfer them
The process by which scientists come up with a testable hypothesis and prove it to be true or false.
Scientific Method
What is the number 2.2 x 10^-4 in standard notation?
.00022
What are the 3 states of matter?
Solid, Liquid, Gas
What does the atomic number of an element represent?
# of protons
What does the row number tell us about an atom of an element?
What does the group number tell us about the element?
Number of Rings and Number of Valence Electrons
The study of basic concepts such as motion, force, energy, matter, heat, sound, light, and atoms.
Physics
What is the number 20,000 in scientific notation?
2 x 10^4
What is an example of a physical change?
What is an example of a chemical change?
...
How do we find the atomic mass of an element?
Protons + Neutrons
What two types of elements come together in a covalent bond?
What two types of elements come together in an ionic bond?
Covalent=2 nonmetals
Ionic=A metal and a nonmetal
The study of the structure and behavior of the physical and natural world using observation, experimentation, and testing of theories against the evidence obtained.
Science
What is the number .0023 in scientific notation?
2.3 x 10^-3
Name a chemical property of matter.
Name a physical property of matter.
...
In a Dot Diagram, what two things are needed/represented?
Element Symbol and Valence Electrons
Draw a bond between sodium and chlorine.
Write on board