Concepts of Atomic Theory Flashcards
1
Q
who is the greek philosopher?
A
Democritus
2
Q
called the small particles which could be indivisible or uncuttable
A
atomos
3
Q
who created atomos?
A
Democritus
4
Q
he is the british scientist
A
John Dalton
5
Q
what did John Dalton present in the year 1800’s?
A
existence of these particles which he called atoms
6
Q
the basic units of matter
A
Atoms
7
Q
basic structural unit of living organisms
A
Cell
8
Q
difference of smaller components of cell
A
Subcellular components
9
Q
smaller component of atoms
A
Subatomic particles
10
Q
what are the 4 concepts of Atomic Theory?
A
- All matter is made up of atoms
- An element is made of 1 kind of atom
- A compound is made up of different kinds of atoms following a specific ratio
- Law of Definite Proportions
- An atom cannot be created nor destroyed
- Law of conservation of Mass
11
Q
positively charged particle
A
proton
12
Q
negatively charged particle
A
electron
13
Q
no charged particle
A
neutron
14
Q
located inside the nucleus
A
proton, neutron
15
Q
located outside the nucleus
A
electron
