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• What is the chemical symbol for hydrogen?

  H
• What is the chemical symbol for magnesium?

  Mg
• Why is the chemical symbol for iron Fe?

  It comes from the Latin name for iron, ferrum
• What is the chemical formula for water?

  H₂O
• What does the formula H₂O represent?

  Two hydrogen atoms bonded to one oxygen atom
• What is the chemical formula for carbon dioxide?

  CO₂
• What does the formula CO₂ represent?

  One carbon atom bonded to two oxygen atoms
• What is the chemical formula for sulfuric acid?

  H₂SO₄
• What does the formula H₂SO₄ represent?

  Two hydrogen atoms, one sulfur atom, and four oxygen atoms
• What is the chemical symbol for sodium?

  Na
• Why is the chemical symbol for sodium Na?

  It comes from the Latin name for sodium, natrium
• What is the chemical symbol for tungsten?

  W
• Why is the chemical symbol for tungsten W?

  It comes from the mineral wolframite
• What is the chemical formula for butane?

  C₄H₁₀
• What does the formula C₄H₁₀ represent?

  Four carbon atoms bonded to ten hydrogen atoms
• What is the chemical formula for magnesium oxide?

  MgO
• What does the formula MgO represent?

  One magnesium atom bonded to one oxygen atom
• What is the chemical formula for calcium chloride?

  CaCl₂
• What does the formula CaCl₂ represent?

  One calcium atom bonded to two chlorine atoms
• What is the chemical formula for oxygen gas?

  O₂
• What does the formula O₂ represent?

  Two oxygen atoms bonded together
• What is the chemical formula for nitrogen gas?

  N₂
• What does the formula N₂ represent?

  Two nitrogen atoms bonded together
• What is the chemical formula for chlorine gas?

  Cl₂
• What does the formula Cl₂ represent?

  Two chlorine atoms bonded together
• What is the chemical formula for hydrogen gas?

  H₂
• What does the formula H₂ represent?

  Two hydrogen atoms bonded together
• What is the chemical formula for sodium chloride?

  NaCl
• What does the formula NaCl represent?

  One sodium atom bonded to one chlorine atom
• What is the chemical formula for magnesium chloride?

  MgCl₂
• What does the formula MgCl₂ represent?

  One magnesium atom bonded to two chlorine atoms
• What is the chemical formula for carbon monoxide?

  CO
• What does the formula CO represent?

  One carbon atom bonded to one oxygen atom
• What is the chemical formula for methane?


  CH₄
• What does the formula CH₄ represent?

  One carbon atom bonded to four hydrogen atoms
• What is the chemical formula for ammonia?

  NH₃
• What does the formula NH₃ represent?

  One nitrogen atom bonded to three hydrogen atoms
• What is the chemical formula for glucose?

  C₆H₁₂O₆
• What does the formula C₆H₁₂O₆ represent?

  Six carbon atoms, twelve hydrogen atoms, and six oxygen atoms
• What is the chemical formula for ethanol?

  C₂H₅OH