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Atomic Theroy

neutron they have equal masses to protons but they have no charge
electron they have negative charge, it takes about 1,837 electrons to equal the mass of one proton
proton they have positive charge, they are included in atoms
element when something is made out of only one kind of atom
atom it can be solid, liquid, or gas matter is made out of atoms
malleable able to be hammered or pressed permanently out of shape without breaking or shaping
luster a gentle sheen or soft glow
ductile able to be drawn out into a thin wire
corrosile rusts
density the weight of something
Nobel Gases The noble gases make a group of chemical elements with similar properties
Transitional Metals ncludes groups 3 to 12 on the periodic table
Halogens consisting of five chemically related elements fluorine, chlorine, bromine, iodine, astatine
Alkali Metals are a group in the periodic table that include lithium, sodium, potassium, cesium, francium
Alkali Earth Metals are a group of chemical elements in the periodic table with very similar properties.
Substance Is a matter that has the same fixed composition and properties
Heterogenous Mixture type of mixture where the substances are not evenly mixed
Homogenous Mixture contains two or more substances that are evenly mixed
Solution another name for a homogenous mixture
Soulte the substance that devolves, or seems to disappear
Created by: Crystal_Gonzalez