Extra Flashcards
1
Q
What symbol is used for mass number?
A
A
2
Q
What symbol is used for atomic numbers?
A
Z
3
Q
What are the 4 isotopes of hydrogen?
A
Protium (normal), deuterium (1 neutron), tritium (2 neutrons), quadrium (3 neutrons)
4
Q
What’s background radiation?
A
Radiation due to naturally occurring radioactive minerals from the Earth’s crust and cosmic radiation.