Compounds And Mixtures Flashcards
1
Q
What is a compound
A
Substances formed from two or more elements.
The atoms of each are in fixed proportion throughout the compound and they’re held together by chemical .
2
Q
Is the nucleus affected by the nucleus when atoms make bonds
A
No only the electrons are involved
3
Q
What does compound formed from metals and non metals consists of…
A
Ions
4
Q
What is crude oil a mixture of
A
Mixture of different length hydrocarbon molecules
5
Q
How can mixtures be separated
A
Physical methods
6
Q
What is a mixture
A
made from two or more elements or compounds being mixed together, without the formation of any chemical bonds
