Show:
The Atom
Solids, Liquids, and Gases
Periodic Table
Atoms vs. Molecules
Mr. Edmond's Rocks
100
where the electrons are stored in an atom
What is the electron cloud?
100
solid to liquid
What is melting?
100
number of electrons
What is the atomic #?
100
made up of 2 or more atoms
What is a molecule?
100
best mixed mixtures
What are solutions?
200
charge of a proton
What is positive?
200
no definite shape, no definite volume, always fills the container
What is a gas?
200
find this by adding the neutrons and protons together
What is atomic mass?
200
if something is a chemical equation, it is also a ______.
What is a molecule?
200
two or more elements that are chemically combined
What is a compound?
300
this is the charge of a neutron
What is neutral? (no charge)
300
no definite shape, definite volume, takes the shape of its container
What is a liquid?
300
vertical columns on the periodic table
What are groups or families?
300
True or False - Elements AND atoms are found on the periodic table.
What is true?
300
two or more elements mixed, but NOT chemically combined
What is a mixture?
400
this has a negative charge
What are electrons?
400
definite shape and volume
What is a solid?
400
horizontal rows on the periodic table
What are periods?
400
as you travel left to right and top to bottom, the atomic # and atomic masses do this...
What is increase?
400
means the same throughout
What is homogeneous?
500
where the protons and neutrons are stored
What is the nucleus?
500
What happens to the energy as we move from solids to gases?
What is increases or speeds up?
500
name the 4 main groups/families we studied
What are Alkali Earth Metals, Alkaline Metals, Halogens, and Noble Gases?
500
elements, atoms, and ___________ ____________ are the same thing
What are chemical symbols?
500
an example of a heterogeneous mixture
What is chex mix, salad, cookie dough ice cream, etc.?