Atoms, elements and compounds Flashcards
1
Q
What is an element?
A
A substance made from entirely the same type of atom
2
Q
What is a mixture?
A
a substance made by mixing other substances together.
3
Q
Properties of a mixture
A
A mixture is made from different substances that are not chemically joined.
4
Q
How do you separate mixtures?
A
Filtration, evaporation, distillation.
5
Q
What is a compound?
A
Compounds are chemicals made from atoms of different elements joined by chemical bonds.
6
Q
What is a molecule?
A
When atoms of the same element join together we get a molecule of that element.