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Concepts

TermDefinition
Atomic Number The number of protons (positive charge) in the nucleus of an atom, determining chemical properties and an elements place in the periodic table.
Atomic Weight An atom's atomic mass relative to mass of a Carbon atom (Atomic Mass of 12)
Electron Affinity An atom's likelihood of gaining an electron
Electronnegativity The tendency of an atom to attract electrons to it'self.
Atomic Radius The measure from an atom's nucleus to the boundary of it's electron cloud (An atom's size)
Metallic Character The level of a metal's re-activity. (ability to react)
Types of chemical bonds Ionic Bonds accure when an atom accepts or donates one or more of it's valence electrons to form a bond. Covalent bonds take place when two atoms share valence electrons.
Valence Electrons The electron's in an atom's outer shell. (used in the creation of chemical bonds)
Ionization Energy The amount energy needed to remove an electron from an atom.
Melting Point The temperature at witch a solid changes to a liquid state
Number of bonds Formed Group 3A containing Boron, forms 3 bonds. Group 4A containing Carbon forms 4 bonds. Group 5A containing Nitrogen forms 3 bonds. Group 6A containing Oxygen forms 2 bonds. Group 7A containing Fluorine forms 1 bond
Created by: 2018084