Nuclear Chamistry Quiz Flashcards
What is the process called where an unstable nucleus loses energy by emitting radiation?
Radioactive Decay
Which is a type of non-ionizing radiation:
Ultraviolet radiation
X-Ray radiation
Infrared radiation
Infrared radiation
Who laid the groundwork for the field of nuclear chemistry?
Becquerel
Where are protons located?
Inside the nucleus
Which is NOT a type of ionizing radiation:
Gamma Radiation
Visible Light
X-Ray radiation
Visible Light
What is the safe amount of REM exposure?
.5 REM per year
What is the term for the number of ionizations within a given volume?
Radiation Density
What is the SI unit for measuring the amount of radiation you’ve been exposed to?
Gray
What is Gamma Radiation?
Electromagnetic Waves
What is Alpha radiation?
Helium Nucleus
What is Beta radiation ?
An electron
What can stop Gamma radiation?
Lead
When lead undergoes alpha radiation - - what does it become?
Mercury
When Chlorine undergoes beta radiation - - what does it become?
Argon
What causes a nucleus to become unstable?
Too many neutrons
Can the Bobby resist low levels of ionizing radiation because it can repair the damage?
YES
What important human materials inside the cell are damaged by ionizing radiation ?
DNA
What is a relatively constant level of natural radiation called?
Background radiation
What is radioactive decay?
It is spontaneous and does NOT require energy
Which has the weakest type of radiation:
Beta
Alpha
Gamma
Alpha
