Elements, Compounds and Mixtures Flashcards
1
Q
What is an Element
A
- An element is something that cannot be split into anything more simple by chemical means.
- All the atoms in an element have the same atomic number
- Recognisable in diagrams and models as they consist of atoms of a single colour or size
2
Q
What is a Compound
A
- A compound is made of combinations of 2 or more elements in fixed proportion.
- Compounds are joined together by strong bonds.
- It doesn’t matter whether a compound is molecular, giant covalent or giant ionic
3
Q
What is a Mixture
A
- A mixture various components can be in any proportions , not chemically together
- Mixtures are easy to separate by physical means