Ionic Compounds – Formula Writing
This is the formula for sodium chloride.
What is NaCl?
This is the formula for carbon dioxide.
What is CO₂?
Hydrogen gas reacts with oxygen gas to form water. Write the unbalanced equation.
What is H₂ + O₂ → H₂O?
Balance this equation: H₂ + O₂ → H₂O
What is 2H₂ + O₂ → 2H₂O?
This is the symbol for potassium.
What is K?
This is the formula for calcium fluoride.
What is CaF₂?
This is the formula for dihydrogen monoxide.
What is H₂O?
Sodium reacts with chlorine gas to form sodium chloride.
What is Na + Cl₂ → NaCl?
Balance this: Na + Cl₂ → NaCl
What is 2Na + Cl₂ → 2NaCl?
This is the formula for carbon monoxide.
What is CO?
This is the formula for aluminum oxide.
What is Al₂O₃?
This is the formula for nitrogen trifluoride.
What is NF₃?
Calcium reacts with water to form calcium hydroxide and hydrogen gas.
What is Ca + H₂O → Ca(OH)₂ + H₂?
Balance this: Ca + H₂O → Ca(OH)₂ + H₂
What is Ca + 2H₂O → Ca(OH)₂ + H₂?
CaCl₂ is this type of compound: ionic or molecular?
What is ionic?
This is the formula for magnesium bromide.
What is MgBr₂?
This is the formula for dinitrogen tetroxide.
What is N₂O₄?
Balance this: N₂ + H₂ → NH₃
What is N₂ + 3H₂ → 2NH₃?
This is the name of the compound NH₃.
What is ammonia?
This is the formula for iron(III) sulfate.
What is Fe₂(SO₄)₃?
This is the formula for phosphorus pentachloride.
What is PCl₅?
Balance this: CH₄ + O₂ → CO₂ + H₂O
What is CH₄ + 2O₂ → CO₂ + 2H₂O?
This is the charge of an aluminum ion.
What is +3?