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Science ch1-1 HOULET

mrs houlette

Matter This is anything that has mass and takes up space
Chemistry This is the study of the properties of matter and how matter changes
Substance This is the single kind of matter that is pure, meaning it always has a specific makeup-or composition and a specific set of properties.
Physical Property This is a characteristic of a pure substance that can be observed without changing it into another substance.
Chemical Property This is a characteristic of a pure substance that describes its ability to change into different substances.
Element This is a pure substance that cannot be broken down into any other substances by physical or chemical means.
Atom This is the basic particle from which all elements are made.
Chemical Bond This happens when atoms combine, which is a force of attraction between 2 atoms.
Molecule These are groups of two or more atoms held together by chemical bonds.
Compound This is a pure substance made of two or more elements chemically combined in a set ratio.
Chemical Formula This shows the elements in the compound and the ratio of atoms.
Mixture This is made of two or more substances - elements, compounds, or both.
Heterogeneous Mixture In this mixture you can see the different parts.
Homogeneous Mixture The contents in this mixture are evenly mixed so that you can't see the different parts.
Solution This is an example of a homogeneous mixture.
Created by: compgeek