Nuclear Chemistry

Question 0

Alpha particles

Answer 0

Are positively charged

Question 1

Radioactive materials have unstable

Answer 1

Nuclei

Question 2

Which of the following is not a type of nuclear radiation?

Answer 2

X rays

Question 3

Nuclear radiation refers to charged particles or energy emitted by an unstable

Answer 3

Nucleus

Question 4

Alpha particles are nuclei of

Answer 4

Helium

Question 5

During bata decay, a nucleus

Answer 5

Gains a proton and loses a neutron

Question 6

In radioactive decay, with each successive half-life, half the remaining sample decays to from another

Answer 6

Element

Question 7

Nuclei with too many or too few neutrons are

Answer 7

Unstable

Question 8

Fusion occurs when nuclei

Answer 8

Combine

Question 9

The opposite reaction to fusion is called

Answer 9

Fission

Question 10

In the equation E=mc2, “c” stands for

Answer 10

The speed of light

Question 11

You prepare a large screened-in box, inside which you place several dozen mouse traps. You set each trap and on each trap your place a ping pong ball. You then drop another ping pong ball into the box, which sets off one mouse trap, which sets of another mouse trap, and so on. You have just demonstrated

Answer 11

A chain reaction

Question 12

Radon gas is produced

Answer 12

Through radioactive decay of uranium-238 in Earths crust

Question 13

Small radioactive sources that are present in smoke detectors release

Answer 13

Alpha partials

Question 14

Short-lived isotopes used in agriculture to monitor water flow through crops are called

Answer 14

Radioactive tracers

Question 15

To treat certain brain rumors, doctors can use small beams of _______ that are focused to kill only the tumor cells.

Answer 15

Gamma rays

Question 16

The use of nuclear reactors to generate electricity is

Answer 16

Found in dozens of countries

Question 17

A beta particle is negatively charred, but it comes from a positively charged nucleus. How is this possible?

Answer 17

When the neutron splits the proton stays and the electron gets booted out.