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level: Formulas and equations

Questions and Answers List

level questions: Formulas and equations

QuestionAnswer
Compounds are represented by ?Formulas
CO₂ is the chemical formula to?Carbon Dioxide
H₂O is the chemical formula to?Water
NaCI is the chemical formula to?Sodium Chloride
CaCI₂ is the chemical formula to?Calcium Chloride
NH₃ is the chemical formula to?Ammonia
H₂SO₄ is the chemical formula to?Sulfuric acid
HCI is the chemical formula to?Hydrochloric acid
Na₂CO₃ is the chemical formula to?Sodium carbonate
CO is the chemical formula to?Carbon Monoxide
NaOH is the chemical formula to?Sodium hydroxide
KOH is the chemical formula to?Potassium hydroxide
HNO₃ is the chemical formula to?Nitric acid
C₆H₈O₇ Is the chemical formula for?Citric acid
NO₃⁻ is the ion formula for?Nitrate
CO₃²⁻ is the ion formula for?Carbonate
OH⁻ is the ion formula for?Hydroxide
ClO₃ is the ion formula for?Chlorate
Chemical formulas are symbols in shorthand for representing elements in a?Compound
In the periodic time table, chemical symbols can also be referred to as?Element symbols
Is H (hydrogen) is a compound or element?Element
H₂O is an element or compound?Compound
Substances that contain more than one atom of a particular element are called?Compounds
The quantity of atoms in a particular element of a chemical formula or equation, is identified by using a subscript number after the ___ symbol?Element
The subscript of a formula equation only refers to the ___ it immediately follows.Element
How many atoms of hydrogen are in H₂O?2
How many atoms of oxygen are in H₂O?1
How many atoms are in each element of sodium chloride NaCI?1 of each
How many atoms of sulfur in this formula? H₂SO₄ ?1
How many atoms of oxygen are in this formula? H₂SO₄ ?4
How many atoms of hydrogen are in this formula? H₂SO₄ ?2
How many atoms of hydrogen is in glucose? C₆H₁₂O₆ ?12
What does the 3 mean in 3Na₂SO₄ ?Three lots of Na₂SO₄
What does the 6 after C mean in glucose? C₆H₁₂O₆ ?6 carbon atoms