Half-life
5.0(1)
Studied by 19 people5.0(1)
View linked note
Call with Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/9
Earn XP
Description and Tags
Study Analytics
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No study sessions yet.
10 Terms
1
New cards
Radioactive substances
________ give out radiation from the nuclei of their atoms- no matter what.
2
New cards
Half life
________ can be used to find the rate at which a source decays- its ACTIVITY.
3
New cards
short half life
A(n) ________ means the activity falls quickly, because the nuclei are very unstable and rapidly decay.
4
New cards
Radioactivity
________ is a totally random process.
5
New cards
radioactivity of a source
The ________ decreases over time.
6
New cards
graph
you can measure half life using a__
7
New cards
number of radioactive nuclei
half-life is the time taken for the___________in an isotope to halve
8
New cards
rate of source decay
half-life is used to find the__________
9
New cards
random
radioactive decay is entirely________
10
New cards
more slowly
long half-life means activity falls____
Flashcards (98)