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Chemistry 1A
Chem 200 Final Review
4
Chemistry
Undergraduate 1
08/04/2008

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Term
Modern Atomic Theory
Definition
Each elements is composed of tiny indestructable particles called atoms, that all atoms of a given element have the same mass and other properties, atoms combine in simple whole number ratios to form compounds
Term
Law of conservation of mass
Definition
A law stating that matter is neither created or destroyed in a chemical reaction
Term
Law of Multiple Proportions
Definition
A law stating that when two elements (A andB) form two different compunds, the masses of the elementB that combine with one gram of element A can be expressed as a ratio of small whole numbers.
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