Atoms Flashcards
1
Q
Daltons model
A
Big dense sphere
2
Q
Thompsons model
A
Electrons are smaller than atoms
3
Q
Rutherford model
A
Nucleus is positive
4
Q
Bohrs model
A
Electrons move around nucleus
5
Q
AMU
A
Percent times mass plus percent times mass
6
Q
Alpha decay
A
Used when there is too many protons and neutrons
7
Q
Beta decay
A
Too many neutrons
8
Q
Positron emission
A
Too many protons
9
Q
Gamma decay
A
Too much energy
10
Q
Radiation
A
Transmission of energy in the form of waves
11
Q
Radioisotope
A
Unstable form of a chemical element that releases radiation
Unstable element that releases radiation (chemical)
12
Q
Isotope
A
2 or more types of atoms that have a different number of neutrons
13
Q
Releases energy when atoms split
A
Fission
14
Q
Adds neutrons
A
Fission
15
Q
Smaller atoms at the end
A
Fission
