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Families Of Elements

Atomic Theory

Alkali Metals 1 Valence Electron, all metal, VERY reactive with water(H2O), group 1, react with nonmetals
Alkali Earth Metals Soft metals, reactive with group 6- not quite as reactive as Alkali Metals, 2 Valence Electrons, found in group 2.
Halogens Group 7, 7 Valence Electrons, most reactive nonmetals.
Inert/Nobel Gases Group 8, 8 Valence Electrons, non reactive, known for use in lights. Ex. Neon lights
Compounds Chemically combined atoms, occurs through valence electrons. Ex. Water(H2O)
Mixtures Molecules or atoms not chemically combined. Ex. Salt and Pepper
Molecules vs. Atoms ATOM is Singular and MOLECULES are two or more atoms.
Valence Electrons Is an electron associated with an atom, and can participate in formation of a chemical bond.
Created by: cowiswrong