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Flashcards in Nuclear Chemistry Test Deck (30)
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1

When do birth defects happen?

When the sperm or egg is damaged

2

What type of cancer is Leukemia?

Cancer of the white blood cells

3

Why can fission be dangerous?

It can be disastrous when it is out of control - - a chain reaction or domino effect

4

What are Geiger counters used for?

To detect the amount of beta radiation in the area

5

What is the name of the cancer that is associated with high exposure to ionizing radiation?

Leukemia

6

What is the result when a cell is mutated?

cancer

7

What is can cause an unstable nucleus?

Too many neutrons

8

What is a beta particle?

a high speed electron

9

What is a safe amount of REM per year?

0.5 REM

10

Who was the pioneer of the field of nuclear chemistry?

Antoine Henri Becquerel

11

What is the unit of measuring the ionizing effect of living organisms?

REM

12

What organ deals with releasing hormones?

thyroid

13

What is a relatively constant level of NATURAL radiation?

background radiation

14

What is an alpha particle?

Helium nucleus

15

What is the term for when 2 nuclei combine to produce a nucleus of heavier mass?

Fusion

16

What is the term for atoms of the same element with different number of neutrons?

Isotopes

17

What is the term for when the nuclei of certain isotopes are bombarded with neutrons splitting the nucleus into smaller fragments?

Fission

18

What is used to study chemical reactions and molecular structures?

Tracers

19

What uses a phosphor to detect radiation?

Scintillation Counter

20

What is the disease where cell growth and metabolism is out of control?

Cancer

21

What is the term for the number of ionization within a given volume?

Radiation Density

22

What is the SI unit for measuring radiation?

Gray

23

What is the term for a relatively constant level of natural radiation?

Background radiation

24

What contains 2 protons and 2 neutrons and has a double positive charge?

Alpha Particle

25

What is the term for an unstable nucleus - - it looses energy by emitting radiation during this process?

Radioactive Decay

26

What is the term for penetrating rays emitted by a radioactive source?

Radiation

27

What is a form of ionizing radiation that results from changes in the nuclei of atoms?

Nuclear Radiation

28

What is a gas filled metal tube used to detect readiation?

Geiger Counter

29

What knocks electrons off some atoms of the bombarded substance to produce ions?

Ionizing Radiation

30

What happens when cancer gets big?

It gets its own blood supply
Inhibits protein production
Suppresses organ function