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chemisty
Term | Definition |
---|---|
Atom | smallest piece of matter that has the same properties of the elements it is in. |
Proton | A positive + subatomic particle in the atoms nucleus is the identity of the element and atomic number. |
Neutron | A neutral subatomic particle in the atoms nucleus..has no charge and most of the mass. |
Electron | A negative subatomic particles spinning outside the nucleus of an atom. Tiny! |
Element | the simplest form of matter that contain only one type of atoms |
Periodic Table of Element | A chart that organizes all the elements by atomic number and properties. |
Valence Electron | The electron in the outer level of an atom that causes atoms to bond together. |
Chemical Bond | An interaction that holds 2 atoms together. |