C. Chemical reactions Flashcards
What is an element?
A substance containing only 1 type of atom
What is a compound?
2 or more elements chemically combined
What is a reactant?
A substance that takes part in a chemical reaction
What is a product?
A substance produced in a chemical reaction
What does the prefix mono mean?
1
What does the prefix di mean?
2
What does the prefix tri mean?
3
What does the prefix tetra mean?
4
On which side of a chemical equation are reactants found?
The Left Hand Side (LHS)
On which side of a chemical equation are products found?
The Right Hand Side (RHS
What does the “+” sign mean on the LHS of an equation?
Reacts with
What does the arrow mean in a chemical equation?
“To produce”
What does the + sign on the RHS of a word equation mean?
And
What is ALWAYS produced in a chemical reaction?
A new substance
What are the 5 signs of a chemical reaction?
Gas given off
Colour change
Smell
Energy change (temperature, light)
Solid formed