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Bonding
Periodic Table & Bonds
Term | Definition |
---|---|
Valence Electrons | The electrons that are in the highest energy level of an atom that are involved in chemical reactions. |
Reactant | The substance that enters in a chemical reaction |
Proton | A positively charged particle that is part of an atom's nucleus |
Proton | Represented by the atomic number |
period | A horizontal row of elements on the periodic table that indicates the number of orbitals an element has |
Noble Gas | An element in group 18 on the periodic table that has 8 valence electrons |
Metalloid | An element that has some characteristics of a metal & a nonmetal |
Metal | A class of elements that are shiny, malleable, ductile and good conductors of heat and electricity |
Mass Number | The number of protons and neutrons in the nucleus of an atom. (Normally found at the bottom of a square on the periodic table) |
Group | Elements in the same vertical column of the periodic table. AKA a family. (Determines the number of valence electrons) |
Element | A substance that cannot be broken down into other substances by physical or chemical means |
Electron | A negatively charged particle that floats around the nucleus in orbitals |
Chemical Reaction | The process in which substances undergo chemical changes that result in the formation of new substances. |