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Matter flash cards
Term | Definition |
---|---|
Atomic number | The number of protons (positive charge in an atom) in the nucleus of an atom. |
Atomic weight | The average weight of an atom of an element. |
Electron affinity | A measure of the ability of an atom or molecule to form a negative ion. |
Electronegativity | Having a negative electric charge. |
Atomic radius | The distance from the atomic nucleus to the outermost stable electron (negative electric charge) orbital in a atom. |
Metallic character | Decreases as you move across the periodic table from left to right. |
Types of chemical bonds formed | Ionic bonds, covalent bonds, polar covalent bonds, and hydrogen bonds |
Valence electrons | An electron of an atom, located in the outermost shell of the atom |
Ionization energy | The amount of energy required to remove an electron from an atom to form a cation. |
Melting point | The temperature at which a solid substance melts or fuses. |
Number of bonds formed | Multiple exist |