Atoms
Measuring Matter
Mixtures
Vocabulary
properties/ changes
100
The smallest unit of an element.
What is an atom?
100
How much of something you have.
What is mass?
100
Two substance that are in the same space but are the atoms are not bonded together.
What is a mixture?
100
The study of matter and how matter changes.
What is chemistry?
100
Observations that can be made about an element without changing it.
What are physical properties?
200
The positively charged part of an atom that is located in the nucleus.
What is a proton.
200
How much space the matter takes up.
What is volume?
200
Two or more atoms that are bonded together.
What is a molecule?
200
Anything that has mass and takes up space.
What is matter?
200
A property that describes how an element reacts to other elements.
What are chemical properties?
300
The part of an atom that is rotating around the outside with a negative charge.
What is an electron?
300
How much gravity pulls on an object.
What is weight?
300
A mixture that is mixed so well it cannot be separated.
What is a homogeneous mixture?
300
A single kind of matter that is pure and has a specific set of properties.
What is a substance?
300
Can only be observed during a chemical reaction or change.
What are chemical properties?
400
Located in the nucleus of the atom this part has a neutral charge.
What is a neutron?
400
How much mass matter has in a given space. (Mass/ Volume)
What is Density?
400
A mixture that can easily be separated?
What is a heterogeneous mixture?
400
A pure substance that cannot be broken down into other substances by chemical or physical means.
What is an element?
400
A change in the appearance or state of matter that does not result in a new substance.
What is a physical change?
500
How atoms are held together.
What is a bond?
500
Length x Width x Height
What is Volume?
500
magnetic separation, evaporation, filtration
What are ways to separate a heterogeneous mixture?
500
The tool used by chemist to study the elements.
What is the periodic table?
500
A change in one or more elements are that results in new matter.
What is a chemical change.
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