Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
who was a pioneer for the discovery of radioactivity
|
marie curie
|
|
|
release of a alpha particle(2 protons 2 neutrons) from the nucleus
|
alpha decay
|
|
|
release of a beta particle(electron and positron) from the necleus
|
beta decay
|
|
|
2 types of beta decay
|
1) a neutron breaks into a proton and an electron
2) a proton breaks into a positron and a neutron |
|
|
high energy called gamma rays that are given off during alpha and beta decay
|
gamma decay
|
|
|
atoms can give up electrons when hit by ______ _____
|
nuclear radiation
|
|
|
______ is damaged to living and nonliving matter
|
radiation
|
|
|
_________ is used to tell how long ago living things died
|
carbon-14
|
|
|
amount of time it takes one-half of the nuclei of a radioactive isotope to decay
|
half-life
|
|
|
____ can diagnose medical problems
|
tracers
|
|
|
_______ is used to detect defects in structures and power space probes
|
radioactivity
|
|
|
process by which a large nucleus splits into two smaller nuclei and releases energy
|
nuclear fission
|
|
|
a continuous series of nuclear fission reactions
|
nuclear chain reaction
|
|
|
__________ are used by nuclear power plants to supply energy
|
controlled nuclear reactions
|
|
|
name 2 disadvantages of neclear fission
|
accidents and waste
|
|
|
two or more nuclei that have smaller masses combine or fuse to form a larger nucleus
|
nuclear fusion
|
|
|
name three advantages of neclear fusion
|
less accident prone, lots of fuel in ocean, and less waste
|
