Elements Mixtures And Compounds Flashcards
1
Q
When two or more elements combine with oxygen it ends in
A
Ate
2
Q
How do you balance a chemical equation
A
- Write down the word equation
- Replace with symbols and formulae
- Balance the equation by multiplying numbers in front only
3
Q
When two elements combine the compound has an ending of
A
Ide
4
Q
What’s a mixture
A
Substance not chemically joined together - can be separated by physical methods
5
Q
What’s a compound
A
Substances are chemically joined together - separated by chemical methods
6
Q
What are the signs of a chemical reaction
A
Colour change Light given off Fizzing Sound Smoke Fire