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Science Vocab
Term | Definition |
---|---|
Metals | Found on the left side of the table Lose electrons to form positive ions Most are silver, shiny, solid, malleable, ductile, and good heat/electricity conductors |
Metalloids | Share properties of both nonmetals and metals |
Nonmetals | Found on the right side of the table Gain electrons to form negative ions |
Atomic Number | The number of protons in an atom. |
Atomic Mass | The mass of an atom |
Atomic Radii | Size of the atom |
Metallic character | How strong the characteristics of metal are present |
Nonmetallic character | How strong the characteristics of nonmetal are present |
Electron Affinity | A neutral atom's likelihood of gaining an electron |
Ionization Energy | Amount of energy an atom must absorb to discharge an electron |
Alkali Metals | The most active metals, they also don't exist as free metals |
Hydrogen | Unique element, most abundant in the universe |
Halogens | Most active nonmetals |
Noble gases | Relatively inactive Contain 8 Valence electrons |