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chemistry
Term | Definition |
---|---|
Atoms | Smallest unit of an element which is still has the properties of |
Molecules | Small units that cannot be seen. Made of chemically combined atoms |
Compounds | atoms of two or more elements react with each other to create a new substance |
Element | substances that cannot be chemically broken down to make them simpler |
ion | an atom that has gained or lost at least one electron |
isotope | atoms of the same element that differ in their number in the number of neutrons |