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Periodic table
Term | Definition |
---|---|
Carbon | C |
Nitrogen | N |
Oxygen | O |
Sodium | Na |
Magnesium | Mg |
Aluminum | Al |
Sulfur | S |
Potassium | K |
Calcium | Ca |
Iron | Fe |
Nickel | Ni |
Zinc | Zn |
Silver | Ag |
Gold | Au |
Vertical columns on the periodic table | Groups |
Who organized the periodic table | Dmitri Mendeleev |
Helium | He |
Hydrogen | H |
Neon | Ne |
Chlorine | Cl |
Copper | Cu |
Lead | Pb |
Horizontal rows on the periodic table | Periods |
The atomic number on the periodic table represents | protons |
Number of elements on the periodic table | 118 |