What is a balanced equation?
A balanced equation is a symbol equation in which there are equal numbers of each type of atom on either side of the equation.
E.g. 2H2 + O2 ➔ 2H2O
Answer in your head, out loud, or on paper, then tap the card to flip.
What is a word equation?
A word equation is an equation in which the reactants and products in a chemical reaction are represented by words.
E.g. hydrogen + oxygen ➔ water
Answer in your head, out loud, or on paper, then tap the card to flip.
When balancing a chemical equation, are you allowed to change the small numbers such as the 2 in N2?
No, you can only change the large numbers in front of each substance, such as the 2 in 2Na.
Answer in your head, out loud, or on paper, then tap the card to flip.
How would you represent hydrogen in a symbol equation?
Hydrogen is diatomic (it exists as molecules made from 2 atoms), so should be represented as H2.
Answer in your head, out loud, or on paper, then tap the card to flip.
What is a reactant?
Reactants are the starting materials in a chemical reaction.
Answer in your head, out loud, or on paper, then tap the card to flip.
What is a product?
Products are the new substances produced by a chemical reaction.
Answer in your head, out loud, or on paper, then tap the card to flip.