VOICEOVER: Chemical symbols and formulas. Every element in the periodic table is represented by a unique chemical symbol, like O for Oxygen or Mg for Magnesium.Chemical formulas represent ...
The symbol for magnesium is Mg, and sulfuric acid is a compound containing sulfur, oxygen, and hydrogen. Its formula is written: H2SO4. So we write Mg plus H2SO4. An arrow shows the direction of ...
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