sci 2 Flashcards
1
Q
who said matter particles
A
democritus
2
Q
who said matter not particles
A
aristotle
3
Q
what is known as discontinous nature of matter
A
the status, matter exists as a collection of particles with spaces among them
4
Q
what is known as particulate nature of matter
A
the status, matter exists as a collection of particles with spaces among them
5
Q
wht r pure substances
A
substantances having a constant composition and containing only one component with definite properties
6
Q
pure substances… 2 groups
A
elemnts and compounds
7
Q
wht r elemnts
A
pure substances with definite properties which cannot be further divided by physical or chemical methods into substances with different properties
8
Q
A
