C1: Nuclear- Decay and Half- Life Flashcards
Class 1
1
Q
describe alpha decay
A
subtracts 4 from the mass and 2 from the atomic #
2
Q
describe beta decay
A
adds 1 to the atomic #
3
Q
describe beta + decay
A
subtracts 1 from the atomic #
4
Q
describe gamma decay
A
doesnt change mass # or atomic #, brings an excited nucleus to a lower energy state
5
Q
describe positron emission
A
subtracts 1 from atomic #
6
Q
what is the PT trend for atomic radius?
A
decreases as you go right, increases as you go down
7
Q
what is the PT trend for ionization energy?
A
increases as you go right, decreases as you go down
8
Q
what is the PT trend for electron affinity?
A
gets more negative as you go right, gets more positive as you go down
9
Q
what is the PT trend for electronegativity?
A
increases as you go right, decreases as you go down
