C1 1.5 Flash Cards

HideShow resource information
What do chemical equations show?
Reactants and products
1 of 9
What are reactants?
The substances we start with
2 of 9
What are products?
The new substances we made
3 of 9
What happens in chemical reactions?
The atoms get rearranged
4 of 9
How does using symbol equations help us?
It helps us to see how much of each substance is reacting
5 of 9
Why are symbol equations more globally useful than word equations? Give 3 reasons
1. Not everyone speaks the same language 2.They don't tell us how much of each substance is involved in the reaction 3. They can get very complicated when lots of chemicals are involved
6 of 9
What is the total mass of the products in a reaction equal to?
The total mass of the reactants
7 of 9
Are there more or less atoms made after a chemical reaction?
No new atoms are ever created or destroyed in a chemical reaction
8 of 9
What makes a balanced equation?
The same number of each atom on each side of the equation
9 of 9

Other cards in this set

Card 2

Front

What are reactants?

Back

The substances we start with

Card 3

Front

What are products?

Back

Preview of the front of card 3

Card 4

Front

What happens in chemical reactions?

Back

Preview of the front of card 4

Card 5

Front

How does using symbol equations help us?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Chemical patterns and reactivity series resources »