Symbol Equation Flashcards
(16 cards)
What are symbol equations?
Way of representing chemical reactions, showing what atoms there are and how they are bonded together.
What is the format of a symbol equation?
reactants → products
What are state symbols?
State symbols are used to indicate whether a chemical is a solid, liquid, gas, or solution.
What symbol indicates a chemical reaction has taken place?
An arrow (→)
What are chemical symbols and formulae used for?
Chemical symbols and formulae are used to represent elements and compounds.
What is the formula of hydrogen?
H₂
What is the formula of sulfuric acid?
H₂SO₄
What does the formula H₂O represent?
Water
What are subscripts in chemical formulae?
Little numbers that show how many atoms of that element are present.
What is the formula of ammonia?
NH₃.
How are chemical reactions represented using symbol equations?
reactant a + reactant → product
What is the symbol equation for the reaction of carbon with oxygen?
C + O₂ → CO₂.
WHat is the state symbol for a liquid?
(l)
What is the state symbol for a solid?
(s)
What is the state symbol for a gas?
(g)
What is the state symbol of an aqueous solution?
(aq)
