Unit 1 Part 1 Vocab Quiz (7th)

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Match the word to the correct definition

Stavka koja se može prevući		Odgovarajuća stavka
Physical Change		a substance that cannot be separated or broken down into simpler substances by chemical means
Physical Property		a one, two or three letter abbreviation of the name of an element.
Function		the smallest unit of an element that maintains the properties of that element.
Chemical Symbol		an arrangement of the elements in order of their atomic numbers such that elements with similar properties fall in the same column, or group.
States of Matter		what something looks like or how it is made.
Chemical Change		a substance made up of atoms of two or more different elements joined by chemical bonds.
Chemical Reaction		a combination of chemical symbols and numbers to represent a substance.
Structure		a group of atoms that are held together by chemical forces; a molecule is the smallest unit of a compound that keeps all the properties of that compound.
Molecule		a sample of matter, either a single element or a single compound, that has definite chemical and physical properties.
Element		what something's purpose is or what it does
Periodic Table		a change that occurs when one or more substances change into an entirely new substance with different properties.
Pure Substance		a change of matter from one form to another without a change in chemical properties.
Chemical Formula		a property of matter that describes a substance’s ability to participate in chemical reactions.
Compound		the process by which one or more substances change to produce one or more different substances.
Atom		a characteristic of a substance that does not involve a chemical change, such as density, color or hardness.
Chemical Property		the physical forms of matter, which include solid, liquid and gas.