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11 terms

The Basics of Chemistry

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element
Building blocks (everything is composed of elements
atom
smallest amount of an element that retains the trait of the element (Fe)
molecule
smallest amount of a compound that retains the trait of the compound
compound
a combination of atoms bound together with a specific trait (like water H2O
proton
positively charged particle, 1 atomic mass unit (amu), found in nucleus
neutron
neutral particle, 1 amu, found in nucleus
electron
negatively charged particle, practically no mass, found in the outsides
ion
charged particle (either missing electron(s) or extra electron(s)
indicator
something that changes to tell you another thing is present
nucleus
is the center of the atom (protons & neutrons tightly packed together)
electron orbitals
area where electrons are likely to be found