P4 — Atomic Structure Flashcards
What did Rutherford replace the plum pudding model with
The nuclear model
What did the nuclear model develop into
The current model of the atom
What are isotopes
Different forms of the same element
What are alpha particles
Helium nuclei
What are beta particles
High-speed electrons
What are gamma rays
EM Waves with a short wavelength
What do mass and atomic number have
A balance
What does beta decay increase
The charge of the neutrons
What do gamma rays not change
The mass of the nucleus
What is radio activity
A totally random process
What happens to the radioactivity of a source overtime
It decreases
How can you measure half life
Using this graph
What is exposure to radiation called
Irradiation
What is contamination
Radioactive particles getting onto objects
What does the seriousness of irradiation and contamination depend on
The source
