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Chemistry
Atomic Elements
Term | Definition |
---|---|
Covalent Bond | A Chemical bond formed when two atoms share electrons |
Valence Electrons | The electrons that are farthest away from the nucleus of an atom and are involved in chemical reactions |
Isotope | An Atom with the same number of protons and a different number of neutrons |
Proton | Small positively charged particles that are found in the nucleus of an atom |
Mass Number | The sum of protons and neutrons in the nucleus of an atom |
Nucleus | The central core of atom containing protons and usually neutrons |
Atomic Mass | The average mass of one atom of an element |
Atomic Number | The number of protons in the nucleus of an atom |
Electron | The tiny negatively charged high energy particles that move around outside of the nucleus of an atom |
Ion | An atom or group of atoms that have been electrically charged |
Ionic Bond | The attraction between oppositely charged ions |
Neutron | Small uncharged particles that are found in the nucleus of an atom |
Mixture | Two or more substances that are mixed together but are not chemically combined |
Compound | A substance made from two or more elements chemically combined in a specific ratio or proportion |
Element | Natural and has nothing combined with it |