Radioactivity Flashcards
what is an isotope
Atoms of the same element that has the same/ equal number of protons but different number of neutrons
What are the 3 types of radiation
Alpha, beta, gamma
What is the symbol for alpha decay
a 4/2
how many neutrons and protons are there in alpha decay
2 each
Where is beta decay produced in
Nuclei
Which particle has the highest energy of the different typesf electromagnetic waves
Gamma
What is the symbol for Gamma decay
Y0/0
What is the symbol for Beta decay
B 0/-1
What particle is the most ionising
Alpha
What particle is the less ionising
Gamma
What can radiation be measured with
Geiger counter
Define half life
The time it takes for radioactivity to halve
Define Nuclear fusion
When unstable nuclei join together to make/ form a heavier nucleus
Define nuclear fission
The breaking apart of unstable nuclei into smaller nuclei
What does nuclear fusion require (2) Clue- high
High pressure, temperatures
