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What is a gross mixture? (not like ewww, gross!) and give an example!
Heterogeneous mixture that can be easily separate, even by hand. Ex: Fruit salad, Cereal with milk, Picadillo, Gallo pinto, Pizza
What is a suspension?
A  heterogeneous mixture that contains solid particles sufficiently large for sedimentation. The particles may be visible to the naked ey and will eventually se
Give an example fo a colloid
Ex: milk, jelly, whipped cream, Styrofoam, blood, fog, mayonnaise, hand lotion, detergent, paint, etc.
Describe what a colloid is.
A mixture in which one substance of microscopically dispersed insoluble particles is suspended throughout another substance.
What is a mixture?
A mixture is a blend of two or more kinds of matter, each of which retains its own identity and properties.
Give an example of a solution.
Ex: Sugar water, salt water, coffee and sugar, etc.
What are the 2 types of mixtures and describe them.
Homogeneous and heterogeneous + description
What is a compound?
a substance that can be broken down into simple stable substances. Each compound is made from the atoms of two or more elements that are chemically bonded.
What is an element?
A pure substance that cannot be broken down into simpler, stable and is made of one type of atom.
What is a pure substance?
A pure substance or chemical substance is a material that has a constant composition(is homogeneous) and has consistent properties throughout the sample.
What is an atom?
smallest unit of an element that maintains the chemical identity of that element. Atoms are the building blocks of matter.
What is mass?
is a measure of the amount of matter. Using a balance
What is Matter?
anything that has mass and takes up space
What are the 3 types of elements in the periodic table of elements?
Metals, Metalloids, and Non-metals
How many valence electrons does group 18 have?
8
How many valence electrons does group 2 have?
2
What is a valence electron?
Valence electrons are the electrons in the outer energy level of an atom.
How do you find the atomic mass?
Atomic mass = protons + neutrons
How do you find the atomic number?
Atomic number = # of protons
How is the periodic table of elements organized?
Elements are organized on the table according to their atomic number.
What is the periodic table of elements?
Shows all known elements in the universe. Organizes the elements by chemical properties
Who was Dmitri Mendeleev?
He created the first periodic table of elements
What are the 3 parts of an atom? Describe them.
Proton, Neutron, Electron.
What is deposition?
When the substance changes directly from a gas to a solid without going through the liquid phase. 
What is sublimation?
When, the substance changes directly from a solid to a gas without going through the liquid phase. 
What is vaporization?
When the substance changes from a liquid to a gas
What is a plasma?
The atoms lose most of their electrons. Electrons are negatively charged particles that move about the atomic nucleus
What is a gas?
Has neither define volume nor definite shape. The gas will expand to fill any size container and takes the shape of the container.
What is a liquid?
define volume, but an indefinite shape. Assumes the shape of its container. Particles are closed together but can move one another.
What is a solid?
Has define volume and shape, molecules are very closed together.
What is Bose-Einstein Condensate?
Is a group of atoms cooled to absolute zero. (0 kelvin, - 270ºC)
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