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Atomic Theory

Vocab words for Atomic Theory unit

TermDefinition
Atom What that object is made of. How many Neutrons, Protons, and Electrons for a state of matter
Element Something is made up of only ONE atom and can't be broken down with a chemical reaction
Proton Has positive charge/energy
Neutron No charge/energy
Electron Has negative charge/energy
Malleable Can be smashed without crumbling
Luster How shiny it is
Ductile Can be transformed into a thin wire
Corrosive When a metal rusts
Density How much mass in an object
Nobel Gases Any gaseous elements (Helium, Neon, Krypton)
Halogens Any elements that are from Group 17, very reactive Non-Metals that from strong acids with Hydrogen. Also some can form salt
Alkali Metals Any elements from Group 1. They are very reactive with water and are very explosive
Alkali Earth Metals All are shiny, silver-white and somewhat reactive at standard room temperature
Transitional Metals Any elements in Groups 3-12. Valence electrons vary and came make easy compounds with other elements
Created by: JReynoso
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