1.5 - Chemical equations Flashcards
1
Q
In chemical reactions, what happens to the atoms in the reactants?
A
They rearrange to form new substances, the products
2
Q
What two things cannot happen to atoms during a chemical reaction?
A
They cannot be created or destroyed
3
Q
How is the number of atoms in the reactants linked to the number of atoms in the products in a chemical reaction?
A
They are equal
4
Q
Why must symbol equations be balanced?
A
The number of atoms in the reactants is always equal to the number of atoms in the products, because atoms are not created or destroyed in chemical reactions
