Ch.3 Lesson 1 vocab
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matter is anything that has mass or takes up space.
chemistry is the study of matter and how matter changes.
substance is a single kind of matter that is pure meaning it always ahs a specific make up or composition.
Element is a substance that cannot be broken down onto any pther substance by chemical or physical substance.
atom is basic particle from which all the elements were made.
molecule is a group of two or more atoms held together by chemical bonds.
A chemical bond which is a force of attraction between two atoms.
A mixture is made of two or more substances that are together on the same place, but their atoms are nto chemically combined.
A compound is a substance made of two or more elements that are chemically combined in a set ratio.
Chemical formula which shows the elements ont he compound and the ration of atoms.
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