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Chemistry Voc. Ch1
Chapter One Voc.
Question | Answer |
---|---|
The scientific study of the composition structure and properties of matter and the changes that matter undergoes. | Chemistry |
Any substance that has a defined composition. | Chemical |
A measure of the amount of matter in an object. | Mass |
Anything that has mass and takes up space. | Matter |
The smallest unit of an element that maintains the chemical properties of that element. | Atom |
A substance that cannot be separated or broken down into simpler substances by chemical means; all atoms of an element have the same atomic number. | Element |
A substance made up of atoms of two or more different elements joined by chemical bonds. | Compound |
A property that depends on the extent or size of a system. | Extensive Property |
A property that does not depend on the amount of matter. | Intensive Property |
A characteristic of a substance that does not involve a chemical change, such as density, color, or hardness. | Physical Property |
A change of matter from one form to another without a change in chemical properties. | Physical Change |
The state of matter in which the volume and shape of a substance are fixed. | Solid |
The state of matter that has a definite volume, but not a definite shape. | Liquid |