Mod 4 Lesson 1 Flashcards
1
Q
Atom
A
Basic building block of matter
2
Q
Atomic theory
A
John Dalton: Explained different properties of matter
3
Q
Law of conversion of mass
A
Mass is equal before and after reaction
4
Q
Law of constant composition
A
A sample of a pure compound will be the same no matter where it comes from
5
Q
Who discovered the atom?
A
Leucippus and Democritus
6
Q
An element…
A
Can’t be broken down any further
7
Q
John Dalton’s Atomic Theory was created in
A
1807
8
Q
What centruy was the atom discovered?
A
5th
9
Q
Who developed the law of conservation of mass and when?
A
Antoine Lavoisier and 1789
10
Q
Who developed the law of constant composition?
A
Joseph Proust
