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Chemistry
Term | Definition |
---|---|
Chemistry | The study of the properties of matter and how it changes. |
Element | A pure substance that cannot be changed into simpler substances. |
Metalloids | Have properties of both metals and nonmetals. |
Atom | The basic particle from which all elements are made . It is the basic building block of all matter. It is all the smallest particle of an element that still retains the properties of that element. |
Proton | A particle that has a positive electric charge. |
Nuetron | A particle that has no electric charge. |
Electron | A negative electric charge. They move very fast and may be found inside the electric cloud. |
Molecule | Groups of two or more atoms help together be chemical bonds. |