What is solute has dissolved into the solvent completely
100
Two or more substance mixed together
What is a mixture
100
What is the basic building block of our universe called?
What is an atom
100
When two chemical are mixed together and a change occurs
What is a chemical reaction
100
a way to separate a solution
What is evaporation
200
A special solution in which no more of a solute can dissolve into the solvent
What is a saturated solution
200
Which of these three things would you do first when trying to separate three dry substances from one another?
Screening, filtering, evaporating
What is screening
200
a molecule is ________________
What is two or more atoms combined through their valence shell
200
indicators of a chemical reaction- list 3
What is gas formation, precipitate, temperature change, color change
200
the liquid & solid in a solution
What is a solvent & solute
300
kool aid would be an example of __________
because________________
What is an example of concentration because a certain amount of solute dissolved into a solvent
300
vocab word property's definition & why it is important to mixtures
What is a the characteristic a certain substance has that allows you to identify it and gives you information on whether or not you can easily separate it from others or not
300
The way in which Scientists organize the atoms through their properties and it grouped in columns & rows
What is the periodic table
300
a new substance that forms in a solid form often at the bottom of a dish due to a chemical reaction
What is a precipitate
300
a solid material that can be identified by it's properties
such as transparent, hard, specific designs
What is a crystal
400
200 g in 200 ml,
300 g in 300 ml,
150 g in 500 ml,
50 g in 100 ml,
Which solution is the most concentrated?
200 g & 300 g have the same concentration and are the most concentrated
400
Why is it difficult to separate some mixtures?
What is different sizes and properties of the substances, such as it being soluble in water
400
T or F- Scientist can determine how many protons and neutrons are in an atom by looking at the atomic mass
What is true- the atomic mass is the amount of the number of protons & neutrons
400
a substance formed when molecules form strands that create a unique substance in which it has properties like a solid & a liquid
What is a polymer
400
chemicals involved in a chemical reaction are called ______
What is a reactant
500
T or F- A solution will continue to become more and more concentrated indefinitely the more solute you add into the solvent
What is F- eventually it will reach a point of saturation in which no more solute can dissolve in
500
When a solution has a lot of solute it is said to be highly
__________, where as when it is watered down it is said to be _____________
What is concentrated and diluted
500
Name the parts of an atom & how an atom forms a molecule
What is the nucleus made up of protons & neutrons, electrons & the atoms bond through their valence shell to form a molecule
500
give two examples of chemical reactions in class & give evidence to prove why they were chemical reactions
What is the identifying a chemical reaction & polymer experiment with specific evidence to support
500
explain how the vocab words concentration & saturation are connected
What is both have to do with a solute dissolving in a solvent but within concentration a certain amount dissolves into the solvent where as within saturation there is a point in which no more can dissolve into the solvent