Vocab
anything that has mass and takes up space
What is matter?
This substance has a definite shape and define volume.
What is a soild?
This results in a new substance and is permanently changed
What is a Chemical change?
What is the atomic mass for C.
12
A substance containing 2 or more atoms, bonded together is called this.
What is a molecule?
A combination of 2 things is called this.
What is a mixture?
the amount of matter something has
What is mass?
This has no definite shape, but does have a definite mass and volume
What is a Liquid?
A change in matter that involves a change in a physical property but doesn't create a new substance
What is Physical change?
What is an element?
H20 (water) and CO2 (carbon dioxide) are examples of this as they are made up of different elements bonded together.
What is a compound?
Water and sugar mixed together is an example of this.
What is a homogenous mixture
The amount of space an object takes up.
What is Volume?
Atoms packed closely together in this state and they vibrate in place
What is a solid?
Which change occurs when you bake cookies?
What is a chemical change?
The first element on the periodic table is hydrogen. Name its atomic symbol.
What is H?
Warmer temperatures make molecules move _______________
What is faster?
What is a heterogenous mixture?
A heterogeneous mixture is a type of mixture that allows the components to be seen as two or more phases are present
this is the temperature at which a substance goes from a liquid to a gas
What is boiling point?
If enough heat is added to a liquid it become this state.
What is a gas?
Melting wax, ice, and metal are all what type of changes
What are physical changes?
The atomic number of the element, Pb.
82
Several atoms bonded together. O2 and CO2 are examples of this.
What is a molecule?
This type of mixture is easy to separate back into its original components.
this is the relationship between mass and volume
What is density?
When heat is added to a solid, it becomes this state of matter
What is a liquid?
Melting wax, hammering a nail and bending a wire are all examples of this
What are Physical changes?
The symbol for sodium on the periodic table.
What is Na?
Colder temperatures make molecules move ____________.
What is slower?
____ is added to _____ to create a solution
solute is added to solvent to create a solution
All matter is made up of this.
What is atoms?
If heat is removed, a liquid will become this state
What is a solid?
Shape and density are examples of this
What are physical properties?
This is the center of an atom
What is the nucleus?
CO2 is the chemical formula for carbon dioxide. Name the amount of atoms that make up a molecule of CO2.
What is three?
Milk is an example of what type of heterogenous mixture
colloid
Living and nonliving things are made up of a combination of these (C, H, N...)
What are elements?
Solid, Liquid, gas
What are the 3 basic states of matter?
Flammability and reactivity are examples of this
What is chemical properties?
What is the periodic table of elements?
When different atoms combine, a new substance is created. Na atoms combining with Cl atoms is called this.
What is a compound?
What is a suspension?
a heterogeneous mixture where the solute separates from the solvent