Chemistry- chemical equations (year 9) Flashcards
1
Q
What is one way to show a chemical equation?
A
to write a word equation
2
Q
What do the first 2 symbols represent?
A
The reactants
3
Q
What do the last 2 symbols represent?
A
The products
4
Q
What must there be when there is a chemical equation?
A
There must be the same number of atoms on both sides
5
Q
How do you balance the equations?
A
By putting numbers in front of the formulas where needed
