Chapter 16: Atomic Energy Flashcards
0
Q
mass number
A
protons + neutrons
1
Q
atomic number
A
number of protons
2
Q
isotopes
A
same protons
different neutrons
3
Q
nuclide
A
single type of nucleus (a specific number of protons and neutrons)
4
Q
nucleons
A
protons or neutrons
5
Q
positron
A
same mass as electron, but positive charge
6
Q
radioactivity
A
process by which an unstable nucleus releases particles and/or energy to get to a stable energy state
7
Q
radioactive
A
describes a nucleus in an unstable state
8
Q
radiation
A
the particles or energy given off by a radioactive nucleus
