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Atoms
vocab word | Symbol or definition | Element Classification or Exam |
---|---|---|
Carbon | C | Nonmetals |
Hydrogen | H | Nonmetals |
Helium | He | Nobel Gases |
Oxygen | O | Nonmetals |
Nitrogen | N | Nonmetals |
Gold | Au | Metals |
Silver | Ag | Metals |
Zinc | Zn | Metals |
Nickel | Ni | Metals |
Potassium | K | Metals |
Chemical Formula | Symbols from the periodic table that list the atoms in a compound. | H2O=2 atoms Hydrogen, 1 atom Oxygen |
Atom | The tiniest building block of everything (matter). | No example |
Molecules | Two or more atoms stuck together. | O2=2 atoms Oxygen CO2=Carbon & 2 atoms Oxygen |
Element | A substance made of one type of atom. | Metals, nonmetals |
Compound | Two or more elements combined chemically. | H2O=Water CO2=Carbon Dioxide |