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level: Formulas and equations

Questions and Answers List

level questions: Formulas and equations

Question	Answer
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