The following are the terms that you need to know:
Dalton’s 6 ideas
1. Atoms cannot be broken into smaller pieces
2. Atoms of different elements are different
3. in any element, all the atoms are the same
4. Atoms can combine to form compounds
5. All emements have a unique mass
6. The mass of elements in a compound are always in constant ratio Physical properties The way something looks Chemical Properties
The makeup of a substance... what atoms it is made of
Boiling Point The temperature a liquid boils
Melting Point The temperature a solid melts
Physical changes Changes that change the way a substance looks.
Chemical changes Changes the substance into something completely different.
Compound Elements chemically combined
Mixture
Two or more solutions NOT chemically combined
Solution A well mixed mixture
Element
A specific type of atom
Atom
The smallest particle of matter
Democritus
Called atoms atomos and was one of the first people to believe atoms existed.
The following are the terms that you need to know:
Dalton’s 6 ideas
1. Atoms cannot be broken into smaller pieces
2. Atoms of different elements are different
3. in any element, all the atoms are the same
4. Atoms can combine to form compounds
5. All emements have a unique mass
6. The mass of elements in a compound are always in constant ratio
Physical properties
The way something looks
Chemical Properties
The makeup of a substance... what atoms it is made of
Boiling Point
The temperature a liquid boils
Melting Point
The temperature a solid melts
Physical changes
Changes that change the way a substance looks.
Chemical changes
Changes the substance into something completely different.
Compound
Elements chemically combined
Mixture
Two or more solutions NOT chemically combined
Solution
A well mixed mixture
Element
A specific type of atom
Atom
The smallest particle of matter
Democritus
Called atoms atomos and was one of the first people to believe atoms existed.